Overlay color

Author: Victor Lucas

src/styles/_colors.scss

@@ -12,4 +12,5 @@ $gainsboro: #d4d9e3;
 $dimgray: #585858;
 $lightgray: #c7c8d0;
 $lightbluegray: #ced2e0;
-$lightred: #DCC2C2;
+$lightred: #DCC2C2;
+$overlayblack: rgba(0,0,0,0.3);