reformatting, fixed column width

userstyle.css

@@ -1,14 +1,35 @@
 @-moz-document domain("mastodon.social"), domain("icosahedron.website") {
+  .tabs-bar {
+    display: flex;
+    z-index: 1;
+  }
+  .columns-area {
+    margin: auto auto;
+  }
+  .column {
+    display: none;
+  }
+  .column:last-child {
+    display: flex;
+    flex-grow: 1;
+    margin-top: 0;
+  }
   @media (min-width: 1024px) {
-    .tabs-bar {display: flex; width: 74%; margin-left: 13%; z-index: 1;}
-    .columns-area {width: 74%; margin: auto auto;}
-    .column {display: none;}
-    .column:last-child {display: flex; min-width: 80%; margin-top: 0;}
+    .tabs-bar {
+      width: 74%; 
+      margin-left: 13%; 
+    }
+    .columns-area {
+      width: 74%; 
+    }
   }
   @media (max-width: 1023px) {
-    .tabs-bar {display: flex; width: 96%; margin-left: 2%; z-index: 1;}
-    .columns-area {width: 96%; margin: auto auto;}
-    .column {display: none;}
-    .column:last-child {display: flex; min-width: 80%; margin-top: 0;}
+    .tabs-bar {
+      width: 96%;
+      margin-left: 2%;
+    }
+    .columns-area {
+      width: 96%;
+    }
   }
 }