GarrettZhang
1/20/2018 - 6:23 AM

1像素边框

.mobile-border:after {
  content: '';
  width: 200%;
  height: 200%;
  position: absolute;
  top: 0;
  left: 0;
  border: 1px solid #188eee;
  border-radius: 18px;
  -webkit-transform: scale(0.5, 0.5);
  transform: scale(0.5, 0.5);
  -webkit-transform-origin: top left;
}