diff --git a/.idea/watcherTasks.xml b/.idea/watcherTasks.xml
index 5ef69a0..f8a509b 100644
--- a/.idea/watcherTasks.xml
+++ b/.idea/watcherTasks.xml
@@ -34,7 +34,7 @@
         <array />
       </option>
       <option name="outputFromStdout" value="false" />
-      <option name="program" value="python3" />
+      <option name="program" value="python" />
       <option name="runOnExternalChanges" value="true" />
       <option name="scopeName" value="Project Files" />
       <option name="trackOnlyRoot" value="true" />
diff --git a/data/css_compress/compress.py b/data/css_compress/compress.py
index 5420128..a3b7795 100644
--- a/data/css_compress/compress.py
+++ b/data/css_compress/compress.py
@@ -4,6 +4,7 @@ import sys
 import os
 import re
 import subprocess
+import shutil
 
 
 def findnext(strdata, start, searchchr):
@@ -41,12 +42,11 @@ def comment_remover(text):
     )
     return re.sub(pattern, replacer, text)
 
-
 fsource = str.replace(sys.argv[1], '\\', '/')  # scss
-finput = str.replace(sys.argv[2], '\\', '/')  # css
+finput  = str.replace(sys.argv[2], '\\', '/')  # css
 foutput = str.replace(sys.argv[3], '\\', '/')  # min.css
-ftemp1 = '__temp_compresss_py_1.tmp.css'
-ftemp2 = '__temp_compresss_py_2.tmp.css'
+ftemp1  = '__temp_compresss_py_1.tmp.css'
+ftemp2  = '__temp_compresss_py_2.tmp.css'
 
 print('======== INPUT ========')
 print()
@@ -77,9 +77,8 @@ print()
 print()
 
 print('======== CALL SCSS ========')
-out = subprocess.run(['ruby', 'scss', '--style=expanded', '--no-cache', '--update', fsource + ':' + finput],
-                     stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-print('> ruby scss --style=expanded --no-cache --update ' + fsource + ':' + finput)
+print('> scss --style=expanded --no-cache --update "' + fsource + ':' + finput + '"')
+out = subprocess.run([shutil.which('scss'), '--style=expanded', '--no-cache', '--update', fsource + ':' + finput], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 print('STDOUT:')
 print(out.stdout.decode('utf-8'))
 print('STDERR:')
@@ -104,9 +103,8 @@ print('')
 print('')
 
 print('======== CALL YUI ========')
-out = subprocess.run(['java', '-jar', 'yuicompressor.jar', '--verbose', ftemp1, '-o', ftemp2], stdout=subprocess.PIPE,
-                     stderr=subprocess.PIPE)
 print('> java -jar yuicompressor.jar --verbose "' + finput + '" -o "' + ftemp2 + '"')
+out = subprocess.run(['java', '-jar', 'yuicompressor.jar', '--verbose', ftemp1, '-o', ftemp2], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 print('STDOUT:')
 print(out.stdout.decode('utf-8'))
 print('STDERR:')
diff --git a/www/data/css/styles.css b/www/data/css/styles.css
index 2c94ca4..b713bc0 100644
--- a/www/data/css/styles.css
+++ b/www/data/css/styles.css
@@ -1,5 +1,4 @@
 @charset "UTF-8";
-/* 400px */
 body {
   background-color: #EEEEEE;
   color: #333333;
@@ -20,7 +19,8 @@ body {
   margin-right: auto;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .content-responsive {
     width: 95%;
     width: calc(100% - 20px);
@@ -28,7 +28,8 @@ body {
     margin-right: auto;
   }
 }
-@media (min-width: 768px) and (max-width: 850px) {
+/* Level: 1 */
+@media (min-device-width: 768px) and (max-device-width: 850px) {
   .content-responsive {
     width: 95%;
     width: calc(100% - 20px);
@@ -36,7 +37,8 @@ body {
     margin-right: auto;
   }
 }
-@media (min-width: 851px) and (max-width: 991px) {
+/* Level: 2 */
+@media (min-device-width: 851px) and (max-device-width: 991px) {
   .content-responsive {
     width: 95%;
     width: calc(100% - 20px);
@@ -44,12 +46,14 @@ body {
     margin-right: auto;
   }
 }
-@media (min-width: 992px) and (max-width: 1199px) {
+/* Level: 3 */
+@media (min-device-width: 992px) and (max-device-width: 1199px) {
   .content-responsive {
     width: 724px;
   }
 }
-@media (min-width: 1200px) {
+/* Level: 4 */
+@media (min-device-width: 1200px) {
   .content-responsive {
     width: 1170px;
   }
@@ -71,7 +75,8 @@ body {
   margin-bottom: 0;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .contentheader h1 {
     font-size: 32px;
   }
@@ -87,7 +92,8 @@ body {
   background: -webkit-linear-gradient(left, #CCCCCCFF 0%, #FFFFFF00 100%);
 }
 
-@media (max-width: 991px) {
+/* Level: 0 - 2 */
+@media (max-device-width: 991px) {
   .contentheader h1 {
     text-align: center;
     margin-left: 10px;
@@ -315,7 +321,8 @@ body {
   cursor: pointer;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .pagination {
     flex-direction: column;
   }
@@ -332,7 +339,8 @@ body {
     flex-direction: row;
   }
 }
-@media (min-width: 768px) and (max-width: 850px) {
+/* Level: 1 */
+@media (min-device-width: 768px) and (max-device-width: 850px) {
   .pagination {
     flex-direction: column;
   }
@@ -349,7 +357,8 @@ body {
     flex-direction: row;
   }
 }
-@media (min-width: 851px) and (max-width: 991px) {
+/* Level: 2 */
+@media (min-device-width: 851px) and (max-device-width: 991px) {
   .pagination {
     flex-direction: column;
   }
@@ -366,7 +375,8 @@ body {
     flex-direction: row;
   }
 }
-@media (min-width: 992px) and (max-width: 1199px) {
+/* Level: 3 */
+@media (min-device-width: 992px) and (max-device-width: 1199px) {
   .pagination {
     flex-direction: column;
   }
@@ -383,7 +393,8 @@ body {
     flex-direction: row;
   }
 }
-@media (min-width: 1200px) {
+/* Level: 4 */
+@media (min-device-width: 1200px) {
   .pagination {
     flex-direction: column;
   }
@@ -450,7 +461,6 @@ body {
   border: 1px solid #000000;
 }
 
-/* 400px */
 #headerdiv {
   z-index: 999;
   background-color: #333;
@@ -530,7 +540,8 @@ body {
   color: black;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   #headerdiv {
     position: static;
     flex-direction: column;
@@ -553,7 +564,6 @@ body {
     padding-top: 0;
   }
 }
-/* 400px */
 html, body {
   margin: 0;
   padding: 0;
@@ -585,27 +595,32 @@ html, body {
   margin: 0 auto;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   #footerdiv {
     width: auto;
   }
 }
-@media (min-width: 768px) and (max-width: 850px) {
+/* Level: 1 */
+@media (min-device-width: 768px) and (max-device-width: 850px) {
   #footerdiv {
     width: auto;
   }
 }
-@media (min-width: 851px) and (max-width: 991px) {
+/* Level: 2 */
+@media (min-device-width: 851px) and (max-device-width: 991px) {
   #footerdiv {
     width: auto;
   }
 }
-@media (min-width: 992px) and (max-width: 1199px) {
+/* Level: 3 */
+@media (min-device-width: 992px) and (max-device-width: 1199px) {
   #footerdiv {
     width: 724px;
   }
 }
-@media (min-width: 1200px) {
+/* Level: 4 */
+@media (min-device-width: 1200px) {
   #footerdiv {
     width: 1170px;
   }
@@ -620,13 +635,13 @@ html, body {
   background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 350, from(#CCCCCCFF), to(#FFFFFF00));
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   #footerdiv .footerspan2 {
     display: none;
     visibility: collapse;
   }
 }
-/* 400px */
 .index_pnl_base {
   display: inline-flex;
   flex-direction: column;
@@ -651,7 +666,8 @@ html, body {
   font-weight: 900;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .index_pnl_header a {
     font-size: 16px;
   }
@@ -667,12 +683,12 @@ html, body {
   padding: 6px;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .index_pnl_base {
     width: 330px;
   }
 }
-/* 400px */
 .aboutcontent {
   display: block;
   width: 100%;
@@ -695,7 +711,8 @@ html, body {
   overflow: visible;
 }
 
-@media (max-width: 991px) {
+/* Level: 0 - 2 */
+@media (max-device-width: 991px) {
   .git_list {
     width: 100%;
     height: auto;
@@ -807,7 +824,6 @@ html, body {
   fill: #003958;
 }
 
-/* 400px */
 .admincontent {
   display: block;
   width: 100%;
@@ -975,7 +991,6 @@ html, body {
   color: #FF0000;
 }
 
-/* 400px */
 #loginform div {
   display: flex;
   flex-direction: column;
@@ -997,7 +1012,6 @@ html, body {
   margin: 5px 0 20px 0;
 }
 
-/* 400px */
 .bloglistelem_container {
   display: flex;
   align-items: center;
@@ -1078,12 +1092,12 @@ html, body {
   margin: 2px 0 2px 10px;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .ble_title {
     font-size: 1.25em;
   }
 }
-/* 400px */
 .base_markdown code {
   font-family: Consolas, Monaco, "Courier New", Menlo, monospace;
   direction: ltr;
@@ -1138,7 +1152,6 @@ html, body {
   width: 90%;
 }
 
-/* 400px */
 #PEB_tableProblems .PEB_tablerowProblems:hover {
   background-color: #999999;
 }
@@ -1213,12 +1226,14 @@ html, body {
   text-decoration: underline;
 }
 
-@media (max-width: 1199px) {
+/* Level: 0 - 3 */
+@media (max-device-width: 1199px) {
   #PEB_tableProblems tr td:nth-child(1), #PEB_tableProblems tr th:nth-child(1) {
     display: none;
   }
 }
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   #PEB_tableProblems tr td:nth-child(1), #PEB_tableProblems tr th:nth-child(1) {
     display: none;
   }
@@ -1238,7 +1253,6 @@ html, body {
   padding: 0 5px;
 }
 
-/* 400px */
 .aoc_calendar_parent {
   display: flex;
   justify-content: center;
@@ -1298,6 +1312,12 @@ html, body {
   padding-bottom: 0.5em;
 }
 
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
+  .aoc_calendar {
+    transform: scale(0.75);
+  }
+}
 .aoc_calendar_row {
   display: flex;
   flex-direction: row;
@@ -1379,13 +1399,13 @@ html, body {
   color: #000000;
 }
 
-/* 400px */
 .prgl_parent {
   display: flex;
   flex-direction: column;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .prgl_parent {
     align-items: center;
   }
@@ -1487,7 +1507,8 @@ html, body {
   margin: 1px 2px 0 2px;
 }
 
-@media (max-width: 1199px) {
+/* Level: 0 - 3 */
+@media (max-device-width: 1199px) {
   .prgl_elem_title {
     font-size: 22pt;
   }
@@ -1509,7 +1530,8 @@ html, body {
     margin-bottom: 10px;
   }
 }
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .prgl_elem {
     flex-direction: column;
     width: 350px;
@@ -1544,7 +1566,6 @@ html, body {
     visibility: hidden;
   }
 }
-/* 400px */
 .prgv_content {
   display: flex;
   flex-direction: column;
@@ -1661,12 +1682,14 @@ html, body {
   background: -webkit-radial-gradient(circle, #CCCCCCFF 0%, #FFFFFF00 100%);
 }
 
-@media (max-width: 991px) {
+/* Level: 0 - 2 */
+@media (max-device-width: 991px) {
   .prgv_content {
     border: none;
   }
 }
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .prgv_top {
     flex-direction: column;
     margin-top: 0;
@@ -1696,7 +1719,6 @@ html, body {
   margin: 10px;
 }
 
-/* 400px */
 .booklst_entry {
   display: flex;
   flex-direction: row;
@@ -1767,7 +1789,8 @@ html, body {
   border-bottom: 1px solid transparent;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .booklst_left {
     flex-direction: column;
     align-items: center;
@@ -1786,7 +1809,6 @@ html, body {
     font-size: 32pt;
   }
 }
-/* 400px */
 .bookv_content {
   display: flex;
   flex-direction: column;
@@ -1898,7 +1920,8 @@ html, body {
   border: 1px solid rgba(0, 0, 0, 0.15);
 }
 
-@media (max-width: 991px) {
+/* Level: 0 - 2 */
+@media (max-device-width: 991px) {
   .bookv_content {
     border: none;
   }
@@ -1907,12 +1930,14 @@ html, body {
     font-size: 28pt;
   }
 }
-@media (max-width: 1199px) {
+/* Level: 0 - 3 */
+@media (max-device-width: 1199px) {
   #bookv_header h1 {
     font-size: 28pt;
   }
 }
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .bookv_top {
     flex-direction: column;
     margin-top: 0;
@@ -1935,7 +1960,6 @@ html, body {
     font-size: 18pt;
   }
 }
-/* 400px */
 .webapplistelem_container {
   display: flex;
   align-items: center;
@@ -1988,17 +2012,19 @@ html, body {
   margin: 2px 0 2px 10px;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .wle_title {
     font-size: 1.25em;
   }
 }
-/* 400px */
 .ev_master {
   align-self: center;
   width: 100%;
+  /* Level: 2 - 4 */
+  /* Level: 0 */
 }
-@media (min-width: 851px) {
+@media (min-device-width: 851px) {
   .ev_master {
     padding-bottom: 80px;
   }
@@ -2026,7 +2052,7 @@ html, body {
   white-space: nowrap;
   width: 100%;
 }
-@media (max-width: 767px) {
+@media (max-device-width: 767px) {
   .ev_master .ev_code {
     font-size: 75pt;
   }
@@ -2035,14 +2061,14 @@ html, body {
   }
 }
 
-/* 400px */
 .euler_pnl_row {
   display: flex;
   flex-direction: row;
   flex-wrap: wrap;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .euler_pnl_row {
     flex-direction: column;
   }
@@ -2113,7 +2139,6 @@ html, body {
   background: #CCCCCC;
 }
 
-/* 400px */
 .programs_pnl_content {
   display: flex;
   flex-direction: row;
@@ -2194,7 +2219,8 @@ html, body {
   font-weight: bolder;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .programs_pnl_entry {
     width: 100%;
   }
@@ -2208,7 +2234,6 @@ html, body {
     flex-direction: row;
   }
 }
-/* 400px */
 .blog_pnl_content {
   display: flex;
   align-items: center;
@@ -2255,12 +2280,12 @@ html, body {
   margin: 2px 0 2px 10px;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .blogpnl_title {
     text-align: center;
   }
 }
-/* 400px */
 .books_pnl_content {
   display: flex;
   flex-direction: row;
@@ -2295,7 +2320,8 @@ html, body {
   text-decoration: none;
 }
 
-@media (max-width: 850px) {
+/* Level: 0 - 1 */
+@media (max-device-width: 850px) {
   .books_pnl_extra {
     display: none;
     visibility: collapse;
@@ -2314,11 +2340,11 @@ html, body {
   filter: grayscale(100%);
 }
 
-/* 400px */
 .bfjoust_runner_owner {
   border: 1px solid #888;
   background: #F8F8F8;
   padding: 6px;
+  /* Level: 0 */
 }
 .bfjoust_runner_owner .hsplit {
   display: flex;
@@ -2346,7 +2372,7 @@ html, body {
 .bfjoust_runner_owner .bottomelem {
   height: 200px;
 }
-@media (max-width: 767px) {
+@media (max-device-width: 767px) {
   .bfjoust_runner_owner .hsplit {
     display: block;
   }
@@ -2417,7 +2443,6 @@ html, body {
   border: 1px solid #CCC;
 }
 
-/* 400px */
 .bce_code {
   background: #F8F8F8;
   color: black;
@@ -2504,7 +2529,8 @@ html, body {
   cursor: default;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .bce_code .bce_code_ctrl {
     display: flex;
     flex-direction: column;
@@ -2559,7 +2585,8 @@ html, body {
   flex-direction: column;
 }
 
-@media (max-width: 767px) {
+/* Level: 0 */
+@media (max-device-width: 767px) {
   .bce_code_out {
     flex-direction: column;
   }
diff --git a/www/data/css/styles.min.css b/www/data/css/styles.min.css
index 5fd2ce4..a8da450 100644
--- a/www/data/css/styles.min.css
+++ b/www/data/css/styles.min.css
@@ -1,17 +1,17 @@
 @charset "UTF-8";body{background-color:#eee;color:#333;font-family:"Times New Roman",serif}
 #content{padding-top:64px;display:flex;justify-content:center;line-height:1.4;flex-direction:column;align-items:center}
 .content-responsive{margin-left:auto;margin-right:auto}
-@media(max-width:767px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
-@media(min-width:768px) and (max-width:850px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
-@media(min-width:851px) and (max-width:991px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
-@media(min-width:992px) and (max-width:1199px){.content-responsive{width:724px}}
-@media(min-width:1200px){.content-responsive{width:1170px}}
+@media(max-device-width:767px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
+@media(min-device-width:768px) and (max-device-width:850px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
+@media(min-device-width:851px) and (max-device-width:991px){.content-responsive{width:95%;width:calc(100% - 20px);margin-left:auto;margin-right:auto}}
+@media(min-device-width:992px) and (max-device-width:1199px){.content-responsive{width:724px}}
+@media(min-device-width:1200px){.content-responsive{width:1170px}}
 .content-fullheight{flex-grow:1}
 .contentheader{width:100%;color:#333;font-size:large}
 .contentheader h1{font-family:Lato,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:32px;font-weight:900;margin-bottom:0}
-@media(max-width:767px){.contentheader h1{font-size:32px}}
+@media(max-device-width:767px){.contentheader h1{font-size:32px}}
 .contentheader hr{margin:0 0 25px 0;display:block;border:0;color:white;height:1px;background-color:#CCCCCCFF;background:-moz-linear-gradient(left,#CCCCCCFF,#FFFFFF00);background:-webkit-linear-gradient(left,#CCCCCCFF 0,#FFFFFF00 100%)}
-@media(max-width:991px){
+@media(max-device-width:991px){
 	.contentheader h1{text-align:center;margin-left:10px;margin-right:10px}
 	.contentheader hr{background:-moz-radial-gradient(circle,#CCCCCCFF,#FFFFFF00);background:-webkit-radial-gradient(circle,#CCCCCCFF 0,#FFFFFF00 100%)}
 }
@@ -53,31 +53,31 @@
 .imgcarousel_next svg{width:48px;height:48px;border:1px solid black;background:#333;fill:#ddd}
 .imgcarousel_prev:hover svg{background:#000;fill:#fff;cursor:pointer}
 .imgcarousel_next:hover svg{background:#000;fill:#fff;cursor:pointer}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.pagination{flex-direction:column}
 	.pag20{flex-direction:column}
 	.pag10{flex-direction:column}
 	.pag05{flex-direction:row}
 }
-@media(min-width:768px) and (max-width:850px){
+@media(min-device-width:768px) and (max-device-width:850px){
 	.pagination{flex-direction:column}
 	.pag20{flex-direction:column}
 	.pag10{flex-direction:row}
 	.pag05{flex-direction:row}
 }
-@media(min-width:851px) and (max-width:991px){
+@media(min-device-width:851px) and (max-device-width:991px){
 	.pagination{flex-direction:column}
 	.pag20{flex-direction:column}
 	.pag10{flex-direction:row}
 	.pag05{flex-direction:row}
 }
-@media(min-width:992px) and (max-width:1199px){
+@media(min-device-width:992px) and (max-device-width:1199px){
 	.pagination{flex-direction:column}
 	.pag20{flex-direction:column}
 	.pag10{flex-direction:row}
 	.pag05{flex-direction:row}
 }
-@media(min-width:1200px){
+@media(min-device-width:1200px){
 	.pagination{flex-direction:column}
 	.pag20{flex-direction:row}
 	.pag10{flex-direction:row}
@@ -108,7 +108,7 @@
 #headerdiv .tabrow .tab_github:hover{background-color:#c9510c;color:black}
 #headerdiv .tabrow .tab_logout{background-color:#a00;border-left:1px solid #111;border-right:0;color:black;min-width:38px}
 #headerdiv .tabrow .tab_logout:hover{background-color:#c9510c;color:black}
-@media(max-width:850px){
+@media(max-device-width:850px){
 	#headerdiv{position:static;flex-direction:column}
 	#headerdiv .logowrapper{display:flex;align-items:center;justify-content:center}
 	#headerdiv .tabrow{flex-direction:column}
@@ -119,25 +119,25 @@ html,body{margin:0;padding:0;height:100%}
 #mastercontainer{display:flex;flex-direction:column;min-height:100%;position:relative}
 #content{padding-bottom:60px}
 #footerdiv{position:absolute;bottom:0;width:100%;height:60px;text-align:center;color:#ccc;left:0;right:0;margin:0 auto}
-@media(max-width:767px){#footerdiv{width:auto}}
-@media(min-width:768px) and (max-width:850px){#footerdiv{width:auto}}
-@media(min-width:851px) and (max-width:991px){#footerdiv{width:auto}}
-@media(min-width:992px) and (max-width:1199px){#footerdiv{width:724px}}
-@media(min-width:1200px){#footerdiv{width:1170px}}
+@media(max-device-width:767px){#footerdiv{width:auto}}
+@media(min-device-width:768px) and (max-device-width:850px){#footerdiv{width:auto}}
+@media(min-device-width:851px) and (max-device-width:991px){#footerdiv{width:auto}}
+@media(min-device-width:992px) and (max-device-width:1199px){#footerdiv{width:724px}}
+@media(min-device-width:1200px){#footerdiv{width:1170px}}
 #footerdiv hr{margin-bottom:5px;display:block;border:0;color:white;height:1px;background:#ccc;background:-webkit-gradient(radial,50% 50%,0,50% 50%,350,from(#CCCCCCFF),to(#FFFFFF00))}
-@media(max-width:850px){#footerdiv .footerspan2{display:none;visibility:collapse}}
+@media(max-device-width:850px){#footerdiv .footerspan2{display:none;visibility:collapse}}
 .index_pnl_base{display:inline-flex;flex-direction:column;border:1px solid #444;margin:15px;width:652px}
 .index_pnl_header{display:flex;align-items:center;justify-content:center;padding:4px;background:#bbb}
 .index_pnl_header a{color:#222;text-decoration:none;font-family:Lato,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:22px;font-weight:900}
-@media(max-width:850px){.index_pnl_header a{font-size:16px}}
+@media(max-device-width:850px){.index_pnl_header a{font-size:16px}}
 .index_pnl_header a:hover{text-decoration:underline}
 .index_pnl_content{display:flex;flex-direction:column;background:#e0e0e0;padding:6px}
-@media(max-width:850px){.index_pnl_base{width:330px}}
+@media(max-device-width:850px){.index_pnl_base{width:330px}}
 .aboutcontent{display:block;width:100%}
 .aboutcontent .boxedcontent{margin-bottom:20px}
 .about_egg_container{display:flex;flex-direction:column;align-items:center}
 .git_list{display:inline-block;width:715px;height:115px;overflow:visible}
-@media(max-width:991px){
+@media(max-device-width:991px){
 	.git_list{width:100%;height:auto}
 	.extGitGraphContainer{width:95%;width:calc(100% - 16px)}
 }
@@ -207,7 +207,7 @@ html,body{margin:0;padding:0;height:100%}
 .ble_log:hover .ble_date{background-color:#fff;color:#000;border-bottom:1px solid #000}
 .ble_date{border-bottom:1px solid transparent;padding:2px;font-size:.8em;font-style:italic}
 .ble_title{font-weight:bold;font-size:1.2em;text-align:left;margin:2px 0 2px 10px}
-@media(max-width:767px){.ble_title{font-size:1.25em}}
+@media(max-device-width:767px){.ble_title{font-size:1.25em}}
 .base_markdown code{font-family:Consolas,Monaco,"Courier New",Menlo,monospace;direction:ltr;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;-moz-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}
 .base_markdown pre{font-size:14px;display:block;padding:9.5px;margin:0 0 10px;line-height:20px;word-break:break-all;word-wrap:break-word;white-space:pre-wrap;background-color:#f8f8f8;color:#000;border:1px solid rgba(0,0,0,0.15);border-radius:2px}
 .base_markdown blockquote{padding:0 0 0 15px;margin:0 0 20px;border-left:5px solid #ccc}
@@ -232,8 +232,8 @@ html,body{margin:0;padding:0;height:100%}
 #PEB_tableProblems .PEB_TC_Size_98{float:right;font-family:"Times New Roman",serif;border-radius:1px;background-color:#FF0;display:inline-block;padding:1px 6px}
 #PEB_tableProblems a{color:#222;display:block;text-decoration:none}
 #PEB_tableProblems .PEB_TC_Title a{text-decoration:underline}
-@media(max-width:1199px){#PEB_tableProblems tr td:nth-child(1),#PEB_tableProblems tr th:nth-child(1){display:none}}
-@media(max-width:767px){
+@media(max-device-width:1199px){#PEB_tableProblems tr td:nth-child(1),#PEB_tableProblems tr th:nth-child(1){display:none}}
+@media(max-device-width:767px){
 	#PEB_tableProblems tr td:nth-child(1),#PEB_tableProblems tr th:nth-child(1){display:none}
 	#PEB_tableProblems tr td:nth-child(3),#PEB_tableProblems tr th:nth-child(3){display:none}
 	#PEB_tableProblems tr td:nth-child(4),#PEB_tableProblems tr th:nth-child(4){display:none}
@@ -248,6 +248,7 @@ html,body{margin:0;padding:0;height:100%}
 .aoc_calendar_header_link.aoc_next{flex-grow:0;padding-right:.5em}
 .aoc_calendar_header_link.aoc_link_hidden{visibility:hidden}
 .aoc_calendar{display:flex;flex-direction:column;background:#aaa;font-size:xx-large;font-family:Consolas,Monaco,"Courier New",Menlo,monospace;border:1px solid #333;padding-bottom:.5em}
+@media(max-device-width:850px){.aoc_calendar{transform:scale(0.75)}}
 .aoc_calendar_row{display:flex;flex-direction:row;justify-content:center;margin-left:.5em;margin-right:.5em}
 .aoc_calendar_field{display:flex;align-items:center;justify-content:center;width:2em;height:2em;margin:4px;text-decoration:none;font-weight:bold}
 .aoc_calendar_field.aoc_enabled{background:#2d4e3b;color:#bb2528;border:1px solid #fff;text-shadow:0 0 .2em #222;font-weight:bold}
@@ -261,7 +262,7 @@ html,body{margin:0;padding:0;height:100%}
 .bc_aoc_solution_code pre{margin:0 !important;border:0}
 .bc_aoc_solution_value{background:#888;color:#000}
 .prgl_parent{display:flex;flex-direction:column}
-@media(max-width:850px){.prgl_parent{align-items:center}}
+@media(max-device-width:850px){.prgl_parent{align-items:center}}
 .prgl_elem{display:flex;flex-direction:row;text-decoration:none;background:#bbb;border:1px solid #444;color:#333;margin:5px 0}
 .prgl_elem:hover{background:#fff;color:#000;border:solid 1px #000}
 .prgl_elem:hover .prgl_elem_sdesc{color:#000}
@@ -278,14 +279,14 @@ html,body{margin:0;padding:0;height:100%}
 .prgl_elem_subinfo_caption{color:#333;font-weight:bold;margin:0 5px 0 10px}
 .prgl_elem_subinfo_data{color:#555;display:flex;flex-direction:row;align-items:center;height:100%}
 .prgl_elem_subinfo_data img{display:inline;height:13pt;margin:1px 2px 0 2px}
-@media(max-width:1199px){
+@media(max-device-width:1199px){
 	.prgl_elem_title{font-size:22pt}
 	.prgl_elem_subinfo{flex-direction:column}
 	.prgl_elem_subinfo_data{justify-content:center}
 	.prgl_elem_subinfo_caption{text-align:center}
 	.prgl_elem_sdesc{font-size:12pt;margin-bottom:10px}
 }
-@media(max-width:850px){
+@media(max-device-width:850px){
 	.prgl_elem{flex-direction:column;width:350px}
 	.prgl_elem_left img{width:100%;height:100%}
 	.prgl_elem_title{font-size:24pt;word-wrap:break-word;text-align:center}
@@ -311,8 +312,8 @@ html,body{margin:0;padding:0;height:100%}
 .prgv_right_lang img{display:inline;height:16pt;max-width:32px;margin:1px 2px 0 2px}
 .prgv_center{margin:0 8px 8px 8px;padding:16px;background:#eee;color:#333;border:1px solid rgba(0,0,0,0.15)}
 .prgv_sep{margin:40px 0 40px 0;display:block;border:0;color:white;height:1px;background-color:#CCCCCCFF;background:-moz-radial-gradient(circle,#CCCCCCFF,#FFFFFF00);background:-webkit-radial-gradient(circle,#CCCCCCFF 0,#FFFFFF00 100%)}
-@media(max-width:991px){.prgv_content{border:0}}
-@media(max-width:767px){
+@media(max-device-width:991px){.prgv_content{border:0}}
+@media(max-device-width:767px){
 	.prgv_top{flex-direction:column;margin-top:0}
 	.prgv_left{margin:0 10px 10px 10px}
 	.prgv_right{min-height:0;min-width:0}
@@ -332,7 +333,7 @@ html,body{margin:0;padding:0;height:100%}
 .booklst_title{color:#333;font-size:40pt;font-weight:bolder;flex-grow:1;display:flex;justify-content:center;align-items:center;text-align:center}
 .booklst_date{display:flex;flex-direction:row-reverse;color:#333}
 .booklst_date span{background:#AAA;padding:0 3px;border-left:1px solid transparent;border-bottom:1px solid transparent}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.booklst_left{flex-direction:column;align-items:center}
 	.booklst_entry{flex-direction:column}
 	.booklst_date{display:none;visibility:hidden}
@@ -355,12 +356,12 @@ html,body{margin:0;padding:0;height:100%}
 .bookv_right_lang img{display:inline;height:16pt;max-width:32px;margin:1px 2px 0 2px}
 .bookv_extra{height:500px;border:1px solid #333;background:#aaa;margin:10px}
 .bookv_readme{margin:10px;padding:16px;background:#eee;color:#333;border:1px solid rgba(0,0,0,0.15)}
-@media(max-width:991px){
+@media(max-device-width:991px){
 	.bookv_content{border:0}
 	#bookv_header h1{font-size:28pt}
 }
-@media(max-width:1199px){#bookv_header h1{font-size:28pt}}
-@media(max-width:767px){
+@media(max-device-width:1199px){#bookv_header h1{font-size:28pt}}
+@media(max-device-width:767px){
 	.bookv_top{flex-direction:column;margin-top:0}
 	.bookv_left{margin:0 10px 10px 10px}
 	.bookv_right{min-height:0;min-width:0}
@@ -376,18 +377,18 @@ html,body{margin:0;padding:0;height:100%}
 .webapplistelem:hover .wle_date{background-color:#fff;color:#000;border-bottom:1px solid #000}
 .wle_date{border-bottom:1px solid transparent;padding:2px;font-size:.8em;font-style:italic}
 .wle_title{font-weight:bold;font-size:1.2em;text-align:left;margin:2px 0 2px 10px}
-@media(max-width:767px){.wle_title{font-size:1.25em}}
+@media(max-device-width:767px){.wle_title{font-size:1.25em}}
 .ev_master{align-self:center;width:100%}
-@media(min-width:851px){.ev_master{padding-bottom:80px}}
+@media(min-device-width:851px){.ev_master{padding-bottom:80px}}
 .ev_master .ev_code{color:#333;text-align:center;font-size:150pt;font-weight:500;font-family:Consolas,Monaco,"Courier New",Menlo,monospace}
 .ev_master .ev_msg{color:#888;text-align:center;font-size:25pt}
 .ev_master .ev_statusmore{color:#333;background-color:#bbb;text-align:left;padding:4px;font-family:Consolas,Monaco,"Courier New",Menlo,monospace;font-size:small;overflow-x:auto;white-space:nowrap;width:100%}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.ev_master .ev_code{font-size:75pt}
 	.ev_master .ev_msg{font-size:15pt}
 }
 .euler_pnl_row{display:flex;flex-direction:row;flex-wrap:wrap}
-@media(max-width:850px){.euler_pnl_row{flex-direction:column}}
+@media(max-device-width:850px){.euler_pnl_row{flex-direction:column}}
 .euler_pnl_row2{display:flex;flex-direction:row}
 .euler_pnl_cell{width:24px;height:24px;font-size:11px;margin:3px;border:1px solid #333;display:flex;align-items:center;justify-content:center}
 .euler_pnl_cell:hover{background-color:#fff;color:#000;border:1px solid #000}
@@ -413,7 +414,7 @@ html,body{margin:0;padding:0;height:100%}
 .programs_pnl_bottom_1,.programs_pnl_bottom_2{flex-grow:1;text-align:center;display:flex;flex-direction:column}
 .programs_pnl_bottom_sub_top{color:#444}
 .programs_pnl_bottom_sub_bot{color:#222;font-weight:bolder}
-@media(max-width:850px){
+@media(max-device-width:850px){
 	.programs_pnl_entry{width:100%}
 	.programs_pnl_bottom_sub_top{margin-left:4px;margin-right:6px}
 	.programs_pnl_bottom_1,.programs_pnl_bottom_2{flex-direction:row}
@@ -425,12 +426,12 @@ html,body{margin:0;padding:0;height:100%}
 .blogpnl_base:hover .blogpnl_date{background-color:#fff;color:#000;border-bottom:1px solid #000}
 .blogpnl_date{border-bottom:1px solid transparent;padding:2px;font-size:.8em;font-style:italic}
 .blogpnl_title{font-weight:bold;font-size:1.2em;text-align:left;margin:2px 0 2px 10px}
-@media(max-width:850px){.blogpnl_title{text-align:center}}
+@media(max-device-width:850px){.blogpnl_title{text-align:center}}
 .books_pnl_content{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:space-evenly}
 .books_pnl_entry{display:flex;flex-direction:column;margin:4px;border:1px solid #333;background:#aaa;color:#222;text-decoration:none}
 .books_pnl_entry img{margin:4px;width:150px;height:auto}
 .books_pnl_entry div{display:flex;justify-content:center;align-items:flex-end;flex-grow:1;border-top:1px solid transparent;text-align:center;font-weight:bold;text-decoration:none}
-@media(max-width:850px){.books_pnl_extra{display:none;visibility:collapse}}
+@media(max-device-width:850px){.books_pnl_extra{display:none;visibility:collapse}}
 .books_pnl_entry:hover{border:1px solid #000;background:#fff}
 .books_pnl_entry:hover div{color:#000}
 .books_pnl_entry:hover img{filter:grayscale(100%)}
@@ -442,7 +443,7 @@ html,body{margin:0;padding:0;height:100%}
 .bfjoust_runner_owner .source{height:350px}
 .bfjoust_runner_owner .sink{height:100px}
 .bfjoust_runner_owner .bottomelem{height:200px}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.bfjoust_runner_owner .hsplit{display:block}
 	.bfjoust_runner_owner .hsplit_1{display:block;width:calc(100% - 8px)}
 	.bfjoust_runner_owner .hsplit_2{display:block;width:calc(100% - 8px)}
@@ -476,7 +477,7 @@ html,body{margin:0;padding:0;height:100%}
 .bce_code .bce_code_ctrl .ctrl_btn_rr:hover{border-left:0}
 .bce_code .bce_code_ctrl .ctrl_btn_disabled{background:#999;color:#BBB}
 .bce_code .bce_code_ctrl .ctrl_btn_disabled:hover{background:#999;color:#BBB;cursor:default}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.bce_code .bce_code_ctrl{display:flex;flex-direction:column;margin:0}
 	.bce_code .bce_code_ctrl .ctrl_btn_left,.bce_code .bce_code_ctrl .ctrl_btn_right{display:flex;flex-direction:column;margin:0}
 	.bce_code .ctrl_btn_left,.bce_code .ctrl_btn_right{display:flex;flex-direction:column;margin:0}
@@ -486,7 +487,7 @@ html,body{margin:0;padding:0;height:100%}
 .bce_code_out .bce_code_out_stack{font-family:Consolas,Monaco,"Courier New",Menlo,monospace;overflow-y:scroll;overflow-x:auto;background:#FFF;color:#000;border:1px solid #888;flex-grow:1}
 .bce_code_out .bce_code_out_left{flex-grow:1;margin:0 4px 4px 4px;height:300px;display:flex;flex-direction:column}
 .bce_code_out .bce_code_out_right{height:300px;width:200px;margin:0 4px 4px 4px;display:flex;flex-direction:column}
-@media(max-width:767px){
+@media(max-device-width:767px){
 	.bce_code_out{flex-direction:column}
 	.bce_code_out .bce_code_out_left{flex-grow:0;height:100px}
 	.bce_code_out .bce_code_out_right{width:auto;height:150px}
diff --git a/www/data/css/styles_blogview_aoc.scss b/www/data/css/styles_blogview_aoc.scss
index 0e3ae40..9799576 100644
--- a/www/data/css/styles_blogview_aoc.scss
+++ b/www/data/css/styles_blogview_aoc.scss
@@ -70,6 +70,8 @@
   padding-bottom: 0.5em;
 }
 
+@include rdmedia_range(0,1) { .aoc_calendar { transform: scale(0.75); } } // cause I'm lazy
+
 .aoc_calendar_row {
   display: flex;
   flex-direction: row;
diff --git a/www/data/css/styles_config.scss b/www/data/css/styles_config.scss
index 8276b5e..48cfa30 100644
--- a/www/data/css/styles_config.scss
+++ b/www/data/css/styles_config.scss
@@ -180,7 +180,7 @@ $COL_ADMIN_STATUS_DB_ERROR:     #BB2222;
 // [0] ResponsiveDesign Minimal Mobile
 //     content_width = auto
 //     header        = vertical
-$RD_0_MINIMOBILE_MIN:   0px; /* 400px */
+$RD_0_MINIMOBILE_MIN:   0px;
 $RD_0_MINIMOBILE_MAX: 767px;
 
 // [1] ResponsiveDesign Normal Mobile
@@ -228,14 +228,17 @@ $RD_4_LARGEDESKTOP_MAX: 99999px;
   @if ($max == 3) { $w2: $RD_3_MEDDESKTOP_MAX;   }
   @if ($max == 4) { $w2: $RD_4_LARGEDESKTOP_MAX; }
 
-  @if (($min == 0) and ($max == 4)) { @return "(all)"; }
-  @if ($min == 0 ) { @return "(max-width:"+$w2+")"; }
-  @if ($max == 4 ) { @return "(min-width:"+$w1+")"; }
+  @if (($min == 0) and ($max == 4)) { @return "all"; }
+  @if ($min == 0 ) { @return "(max-device-width:"+$w2+")"; }
+  @if ($max == 4 ) { @return "(min-device-width:"+$w1+")"; }
 
-  @return "(min-width:"+$w1+") and (max-width:"+$w2+")";
+  @return "(min-device-width:"+$w1+") and (max-device-width:"+$w2+")";
 }
 
-@mixin rdmedia_range($min, $max) {
+@mixin rdmedia_range($min, $max)
+{
+
+  /* Level: #{$min} - #{$max} */
   @media #{rdmedia_expr($min, $max)}
   {
 
@@ -244,10 +247,12 @@ $RD_4_LARGEDESKTOP_MAX: 99999px;
   }
 }
 
-@mixin rdmedia($lvl) {
+@mixin rdmedia($lvl)
+{
+
+  /* Level: #{$lvl} */
   @media #{rdmedia_expr($lvl, $lvl)}
   {
-
     @content;
 
   }