A Pen by Viktor.

Bcbvp.markdown

Bcbvp

A Pen by Viktor on CodePen.

License.

index.html

<input type="text" class="object">

style.scss

@import "compass";
.object {
  -webkit-animation: input-error 2s;
  -webkit-animation-iteration-count: infinite;
  margin: 20px;
  border: 1px solid #f0f0f0;
  padding: 12px;
  font-size: 16px;
  -webkit-border-radius: 2px;
  
  
  .object-text {
    display: none;
  }
}

@-webkit-keyframes input-error {
  0%   {border: 1px solid #f0f0f0;}
  50%   {border: 1px solid #999999;} 
}