.btn {
  display: inline-block;
  width: 600rpx;
  height: 88rpx;
  text-align: center;
  line-height: 88rpx;
  font-size: 28rpx;
  color: #444444;
}

.ok {
  border: 4rpx solid #444444;
}

.cancel {
  background: #B0B0B0;
}