fix dropdown styles for .dropdown-item

src/client/styles/scss/theme/_apply-colors.scss

@@ -102,6 +102,7 @@ pre:not(.hljs):not(.CodeMirror-line) {
 
   &:active,
   &.active,
+  &:active:hover,
   &.active:hover {
     color: $color-dropdown-link-active;
     background-color: $bgcolor-dropdown-link-active;