.m-button,
.m-button {
  height: 34px;
  padding: 0 15px;
  border: none;
  border-radius: 12px;

  &.btn-default {
    background-color: #fff;
    color: #333;
    border: 1px solid #ccc;
    opacity: 0.6;
  }

  &.btn-primary {
    background-color: blue;
    color: #fff;
    opacity: 0.6;
  }

  &.btn-success {
    background-color: green;
    color: #fff;
    opacity: 0.6;
  }

  &.btn-danger {
    background-color: red;
    color: #fff;
    opacity: 0.6;
  }

  &.btn-warning {
    background-color: orange;
    color: #fff;
    opacity: 0.6;
  }

  &.btn-shadow {
    box-shadow: 1px 3px 5px #666;
  }
}