Add checked select-elevation style

public/assets/css/style.css

@@ -436,6 +436,12 @@ div#dice {
   display: none;
 }
 
+.select-elevation input:checked+label {
+  border: 1px solid salmon;
+  border-radius: 3px;
+  background-color: #cdd9e9;
+}
+
 @keyframes roll-out {
   0% {
     transform: scaleX(1);