fix: updates code field css

src/admin/components/forms/field-types/Code/index.scss

@@ -1,10 +1,10 @@
 @import '../../../../scss/styles.scss';
 
-.field-type.code {
+.code-field {
   position: relative;
   margin-bottom: $baseline;
 
-  .input {
+  &__input {
     @include formInput();
     height: unset;
   }
@@ -71,6 +71,8 @@ pre[class*="language-"] {
   font-style: italic;
 }
 
+// DARK
+
 html[data-theme=dark] {
 
   :not(pre)>code[class*="language-"],
@@ -163,6 +165,8 @@ html[data-theme=dark] {
   }
 }
 
+// LIGHT
+
 html[data-theme=light] {
 
   .token.comment,