button {
  display: block;
  color: #fff;
  background-color: #17a2b8;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: .65rem .75rem;
  font-size: .875rem;
  line-height: 1.25;
  border-radius: 3px;
  transition: all .15s ease-in-out;
  text-transform: none;
  font-family: inherit;
  touch-action: manipulation;
  cursor: pointer;
  overflow: visible;
  &:hover {
    color: #fff;
    background-color: #138496;
    border-color: #117a8b;
  }
  &:active {
    box-shadow: none;
    background-color: #138496;
    background-image: none;
    border-color: #117a8b
  }
  &:disabled {
    background-color: #17a2b8;
    border-color: #17a2b8;
    opacity: .65;
  }

  .sk-cube-grid {
    display: inline-block;
    width: 15px;
    height: 15px;
    margin-left: 5px;
    margin-right: 5px;
    vertical-align: text-bottom;
    .sk-cube {
      background-color: #fff;
    }
  }

  &.btn-secondary {
    background-color: #868e96;
    border-color: #868e96;
    &:hover {
      color: #fff;
      background-color: #727b84;
      border-color: #6c757d;
    }
    &:active {
      background-color: #727b84;
      background-image: none;
      border-color: #6c757d
    }
    &:disabled {
      background-color: #868e96;
      border-color: #868e96;
    }
  }

  &.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    &:hover {
      color: #fff;
      background-color: #c82333;
      border-color: #bd2130;
    }
    &:active {
      background-color: #c82333;
      background-image: none;
      border-color: #bd2130;
    }
    &:disabled {
      background-color: #dc3545;
      border-color: #dc3545;
    }
  }
}