button:hover, button:focus {
  opacity: 0.75;
  cursor: pointer;
}

button:active {
  opacity: 1;
  box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.1) inset;
}

.success {
  padding: 0.5em;
  margin-bottom: 0.75rem;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
  color: #468847;
  background-color: #dff0d8;
  border: 1px solid #d6e9c6;
  -webkit-border-radius: 4px;
     -moz-border-radius: 4px;
          border-radius: 4px;
}

.error {
  padding: 0.5em;
  margin-bottom: 0.75rem;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
  color: #b94a48;
  background-color: #f2dede;
  border: 1px solid rgba(185, 74, 72, 0.3);
  -webkit-border-radius: 4px;
     -moz-border-radius: 4px;
          border-radius: 4px;
}