Make an input retain a style after it's clicked/hovered using transitions

transition_hack.css

div {
  background: #f00;
  -webkit-transition: background 1000s linear;
  -moz-transition: background 1000s linear;
  transition: background 1000s linear;
}

div:hover {
  background: #00f;
  -webkit-transition: none;
  -moz-transition: none;
  transition: none;
}