fix(scss): prevent HLJS default text and bg colors getting overrided

wowchemy/assets/scss/wowchemy/_base.scss

@@ -203,8 +203,11 @@ a:focus {
 pre,
 code {
   font-family: $sta-font-mono, monospace;
-  color: #c7254e;
+}
 
+pre,
+code:not(.hljs) {
+  color: #c7254e;
   /* Match bg of default highlight theme. */
   background-color: rgb(248, 248, 248);
 }

wowchemy/assets/scss/wowchemy/_dark.scss

@@ -45,7 +45,7 @@ body.dark,
 }
 
 .dark pre,
-.dark code {
+.dark code:not(.hljs) {
   color: rgb(139, 233, 253);
   background-color: rgb(68, 71, 90);
 }