Button CSS

gistfile1.css

#submit,
.btn {
  display: inline-block;
  margin-bottom: 0;
  font-weight: 400;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  white-space: nowrap;
  padding: 6px 14px;
  font-size: 16px;
  line-height: 1.42857143;
  border-radius: 4px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#submit.small,
.btn.small {
  padding:3px 8px;
  font-size:12px;
}
#submit.large,
.btn.large {
  padding:8px 16px;
  font-size:22px;
  border-radius:7px;
}

#submit:active,
.btn:active {
  outline: 0;
  background-image: none;
  -webkit-box-shadow: inset 0 3px 5px rgba(0,0,0,.125);
  box-shadow: inset 0 3px 5px rgba(0,0,0,.125);
}

#submit {
  color: #fff;
  background-color: #428bca;
  border-color: #357ebd;
}

#submit:hover, #submit:focus {
  color: #fff;
  background-color: #3276b1;
  border-color: #285e8e;
}