junxi

input[type=checkbox] {
  border: 1px solid #686868;
  height: 27px;
  width: 79px;
  -webkit-appearance: none;
  -webkit-border-radius: 13px;
  background-image: url(/blog/wp-content/uploads/2011/12/checkbox-background.png);
  background-position: -52px 0;
  background-repeat: no-repeat;
  -webkit-animation-timing-function: ease-in-out;