scss cleanup and color aggregation

www/data/css/styles_blogview.scss

@@ -26,64 +26,22 @@
     word-break: break-all;
     word-wrap: break-word;
     white-space: pre-wrap;
-    background-color: $COL_BACKGROUND_3;
-    color: black;
-    border: 1px solid rgba(0,0,0,.15);
+    background-color: $LAYER2_CODE_BG;
+    color: $LAYER2_CODE_FG;
+    border: $LAYER2_CODE_BORDER;
     border-radius: 2px;
   }
 
   blockquote {
     padding: 0 0 0 15px;
     margin: 0 0 20px;
-    border-left: 5px solid #CCC;
+    border-left: $LAYER2_QUOTE_BORDERLEFT;
   }
 
   img {
     max-width: 100%;
   }
 
-  table {
-    border-collapse: collapse;
-    text-align: left;
-    width: 100%;
-    border: 1px solid #666;
-
-    td, th {
-      padding: 3px 10px;
-    }
-
-    thead th {
-      background-color: #7D7D7D;
-      color: #FFFFFF;
-      font-weight: bold;
-      border-left: 1px solid #444;
-    }
-
-    thead th:first-child {
-      border: none;
-    }
-
-    tbody td {
-      border-left: 1px solid #666;
-      font-weight: normal;
-    }
-
-    tbody .alt td {
-      background: #EBEBEB;
-    }
-
-    tbody td:first-child {
-      border-left: none;
-    }
-
-    tbody tr:last-child td {
-      border-bottom: none;
-    }
-
-    tbody tr:nth-child(odd) {
-      background-color: #ccc;
-    }
-  }
 }
 
 .mdtable_container {overflow-x: auto;}