Update _theme-switcher.scss

Standardize font-size across high-contrast form elements.

Author: d0ubIeU

phpmyfaq/assets/scss/layout/_theme-switcher.scss

@@ -377,7 +377,7 @@
   .dropdown-menu {
     background-color: #000000;
     border: 2px solid #ffffff;
-    font-size: 1.2rem;
+    font-size: 1.3rem;
 
     .dropdown-item {
       color: #ffffff;