fix blue highlight

src/pages/style.ts

@@ -92,6 +92,13 @@ export const StartLabel = styled.label`
         inset 0 2px 3px rgba(255,255,255,0.13),
         0 5px 8px rgba(0,0,0,0.3),
         0 10px 10px 4px rgba(0,0,0,0.3);
+    -webkit-tap-highlight-color: transparent;
+    -webkit-touch-callout: none;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
 
     &::after {
         content: ""; 
@@ -131,6 +138,13 @@ export const StartInput = styled.input`
     z-index: 100;
     position: absolute;
     cursor: pointer;
+    -webkit-tap-highlight-color: transparent;
+    -webkit-touch-callout: none;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
 
     &:checked ~ label {
         box-shadow: