diff --git a/src/App.vue b/src/App.vue
index 38b4217..df89507 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -25,6 +25,7 @@ export default defineComponent({
       }
       if (e.keyCode === 27) {
         this.showHelp = false;
+        e.preventDefault();
       }
     });
     return {
diff --git a/src/components/Help.vue b/src/components/Help.vue
index 365a86f..909ffbe 100644
--- a/src/components/Help.vue
+++ b/src/components/Help.vue
@@ -20,6 +20,7 @@ export default defineComponent({
   z-index: 1;
   padding: 0;
   backdrop-filter: blur(4px);
+  -webkit-backdrop-filter: blur(4px);
 
   display: flex;
   justify-content: center;