Slight adjustment to overlay buttons

src/styles/main.scss

@@ -819,10 +819,17 @@ body {
     bottom: 3rem;
     right: 3rem;
 
+    // on mobile
+    @media screen and (max-width: $device-s-width), (pointer: coarse) {
+        bottom: 1rem;
+        right: 1rem;
+    }
+
     gap: 0.5rem;
 
     button {
-        padding: 0.8rem;
+        width: 3rem;
+        height: 3rem;
 
         border-radius: 100%;