a.button, button {
  background: #ccc;
  border: 2px solid #888;
  border-top-color: #fff;
  border-left-color: #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 2px #000;
  color: #000;
  cursor: pointer;
  display: inline-block;
  font: 700 14px/1.5 Verdana, sans-serif;
  margin: 0.5ch 0.5ch 0.5ch 0;
  min-width: 80px;
  padding: 0 1ch;
  text-align: center;
  text-decoration: none;
}
a.button > span, button > span {
  border: 1px solid #ccc;
}
a.button:active:hover, button:active:hover {
  border-color: #888 #fff #fff #888;
  outline: 0;
}
a.button:active > span, button:active > span {
  border-color: #666;
  border-style: dotted;
}