diff --git a/src/app/app.component.scss b/src/app/app.component.scss
index 7fee56276669df29d5e458e7f905ed3506854596..7c00121836928dd87db48462b8dd6e10466889e7 100644
--- a/src/app/app.component.scss
+++ b/src/app/app.component.scss
@@ -58,7 +58,11 @@ main {
   display:none;
   box-shadow:0px 2px 2px rgba(0,0,0,0.2);
   transition:all 0.2s ease-in-out;
-}
+  >button:focus{
+    box-shadow:inset 0 0 0 1px var(--on-surface);
+    }
+  }
+
 
 .rescale_overlay>button{
   margin-top:5px;