Change syntax background

Matches the background of file editor, keeps lighter border to say defiend.

Author: notAreYouScared

resources/styles/components/forms.css

@@ -123,6 +123,7 @@ select.input:not(.appearance-none) {
 select.input-dark:not(.appearance-none) {
     @apply .bg-neutral-600 .border-neutral-500 .text-neutral-200;
     background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='%23C3D1DF' d='M9.293 12.95l.707.707L15.657 8l-1.414-1.414L10 10.828 5.757 6.586 4.343 8z'/%3e%3c/svg%3e ");
+    background-color: hsl(220deg 21% 16%);
 
     &:hover:not(:disabled), &:focus {
         @apply .border-neutral-400;