application.css

button, a.button {
  background: #DDD -moz-linear-gradient(top, #EEE, #CCC);
  background: #DDD -webkit-gradient(linear, 0% 0%, 0% 100%, from(#EEE), to(#CCC));
  border: 1px solid #DDD;
  border-color: #FFF #AAA #AAA #FFF;

  color: #666;
  cursor: pointer;
  font-size: 0.9em;
  line-height: 1.5em;
  margin:0;
  padding: 0 .5em;

  -webkit-border-radius: 2px;
  -moz-border-radius: 2px;
  border-radius: 2px;
}