remove unnecessary css && update app.code

src/app/app.blockviewer.component.scss

@@ -88,7 +88,7 @@
     overflow: hidden;
 }
 
-pre[class*="language-"] {
+:host ::ng-deep pre[class*="language-"] {
     margin: 0 !important;
 
     &:before, &:after {
@@ -103,31 +103,6 @@ pre[class*="language-"] {
         color: var(--text-color);
         font-size: 14px;
         padding: 0 2rem !important;
-    
-        .token {
-            &.tag,
-            &.keyword {
-                color: #2196F3 !important;
-            }
-    
-            &.attr-name,
-            &.attr-string {
-                color: #2196F3 !important;
-            }
-    
-            &.attr-value {
-                color: #4CAF50 !important;
-            }
-    
-            &.punctuation {
-                color: var(--text-color);
-            }
-    
-            &.operator,
-            &.string {
-                background: transparent;
-            }
-        }
     }
 }
 
@@ -141,8 +116,4 @@ pre[class*="language-"] {
             margin-left: 0;
         }
     }
-}
-::ng-deep pre{
-    margin: 0 !important;
-    padding: 0 !important;
 }