Retina CSS Button

gistfile1.txt

font-family: Helvetica, Arial, Verdana, sans-serif;
font-family: "helvetica neue",arial,sans-serif
font-family: "Myriad Pro", arial, sans-serif
font-family: Helvetica, Gill, sans-serif;
font-family: 'Consolas', 'Menlo', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace


media="screen"

.bouncey {
    -webkit-animation-name: bounce;
    -webkit-animation-duration: 0.3s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-direction: alternate;
    -webkit-transition-timing-function: ease-in-out;
}


Retina CSS Button:
@media only screen and (-webkit-min-device-pixel-ratio:1.5),
       only screen and (min-device-pixel-ratio:1.5) {
    
  button {
    border:none;
    padding:0 16px;
    box-shadow: inset 0 0 1px #000,
                inset 0 1px 0 #75c2f8,
                0 1px 1px -1px rgba(0, 0, 0, .5);
  }

}