/*驗正使用css*/
 .myValid {
     background: rgba(255, 0, 0, 0.62);
     color: white;
     position: absolute;
     border-radius: 5px;
     font-size: 0.8em;
     padding: 0 0.5em;
     margin-left: 0.5em;
 }

 .grayscale {
     -webkit-filter: grayscale(1);
 }

 @-moz-keyframes blink-smooth { 
   to { 
     background-color: transparent 
   } 
 }

 @-webkit-keyframes blink-smooth { 
   to { 
     background-color: transparent 
   } 
 }

 @keyframes blink-smooth { 
   to { 
     background-color: transparent 
   } 
 } 
 .highlight {
   animation: 0.4s blink-smooth 8; 
  background: #fff1b7;
 }