@mixin css_button {
  text-shadow: 0 1px #fff;
  color: #333;
  padding: 5px 20px;
  background: -moz-linear-gradient(
    top,
    #ffffff 0%,
    #dedede);
  background: -webkit-gradient(
    linear, left top, left bottom, 
    from(#ffffff),
    to(#dedede));
  border: 0;
  border-radius: 4px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  -moz-box-shadow:
    0px 2px 3px rgba(000,000,000,0.3),
    inset 0px 0px 1px rgba(255,255,255,0.7);
  -webkit-box-shadow:
    0px 2px 3px rgba(000,000,000,0.3),
    inset 0px 0px 1px rgba(255,255,255,0.7);
  &:hover {
    background: -moz-linear-gradient(
      top,
      #ffffff 0%,
      #e5e5e5);
    background: -webkit-gradient(
      linear, left top, left bottom, 
      from(#ffffff),
      to(#e5e5e5)); } }