fix light theme

frontend/public/global.css

@@ -440,6 +440,7 @@ button, select {
 /* Correct the inability to style clickable types in iOS and Safari. */
 button, [type="button"], [type="reset"], [type="submit"] {
 	-webkit-appearance: button;
+	appearance: button;
 }
 
 /* Remove the additional ":invalid" styles in Firefox. */

frontend/src/components/Main.svelte

@@ -23,6 +23,7 @@
                 --background-color-3: rgb(173, 174, 175);
 
                 --colored-element-text-color: var(--background-color-0);
+                --foreground-special-color-1: hsl(180, 18%, 30%);
             }
         </style>
     {/if}