chore(docs): remove unused custom styles

Author: grega

packages/docs/src/css/custom.css

@@ -69,14 +69,6 @@
   --ifm-h3-font-size: 20px;
 }
 
-.blockly-maze-img {
-  text-align: center;
-}
-
-.blockly-maze-img img {
-  max-width: 75%;
-}
-
 .screenshotImg{
   width: 200px;
 }
@@ -134,15 +126,6 @@
   font-size: 16px;
 }
 
-.footer_linkboxes_list {
-  display: grid;
-  grid-gap: 24px;
-  grid-template-columns: repeat(auto-fit, minmax(85.4px, 1fr));
-  list-style: none;
-  padding: 0;
-  margin: 0;
-}
-
 .footer__col {
   display: flex;
   flex-direction: column;
@@ -166,12 +149,6 @@
 
 /* Responsive footer styles */
 @media (max-width: 768px) {
-  .footer_linkboxes_list {
-    grid-template-columns: 1fr;
-    grid-gap: 32px;
-    padding: 24px 0;
-  }
-
   .footer__col,
   .footer__title,
   .footer__link-item {
@@ -204,18 +181,9 @@
     padding-right: 16px;
   }
 
-  .footer_linkboxes_list > .footer__col:last-child {
-    margin-bottom: 32px;
-  }
 }
 
 @media (min-width: 769px) and (max-width: 996px) {
-  .footer_linkboxes_list {
-    grid-template-columns: repeat(2, 1fr);
-    grid-gap: 40px;
-    padding: 32px 0;
-  }
-
   .footer__col,
   .footer__title,
   .footer__link-item {
@@ -235,15 +203,6 @@
     margin-bottom: 16px;
   }
 
-  .footer_linkboxes_list > .footer__col:last-child {
-    margin-bottom: 32px;
-  }
-}
-
-@media (min-width: 997px) {
-  .footer_linkboxes_list {
-    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
-  }
 }
 
 /** Added changes for hide level 3 menus **/