.side {
  display: inline-block;
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  width: 256px;
  height: 42px;
  cursor: pointer;
  padding: 0 16px;
  border: 1px solid #018dc4;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  font: normal 16px/normal "coda", Helvetica, sans-serif;
  color: rgba(255,255,255,0.9);
  text-align: right;
  -o-text-overflow: clip;
  text-overflow: clip;
  background: url("http://enjoycss.com/bg-img/custom/22725-t12k71.png"), #6441a5;
  background-repeat: no-repeat;
  background-position: 1% 50%;
  -webkit-background-origin: padding-box;
  background-origin: padding-box;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-background-size: contain;
  background-size: contain;
  -webkit-box-shadow: 2px 2px 2px 0 rgba(0,0,0,0.2) ;
  box-shadow: 2px 2px 2px 0 rgba(0,0,0,0.2) ;
  text-shadow: -1px -1px 0 rgba(15,73,168,0.66) ;
  -webkit-transition: all 300ms cubic-bezier(0.42, 0, 0.58, 1);
  -moz-transition: all 300ms cubic-bezier(0.42, 0, 0.58, 1);
  -o-transition: all 300ms cubic-bezier(0.42, 0, 0.58, 1);
  transition: all 300ms cubic-bezier(0.42, 0, 0.58, 1);
}