css不规则圆角矩形

   <div class="skew"></div>

.skew {
  position: relative;
  width: 120px;

  &::after {
    content: "";
    position: absolute;
    top: 0;
    left: 40px;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background: orange;
    transform: skewX(164deg);
    width: 100px;
    height: 100px;
  }
  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 13px;
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: orange;
  }
}

这个收集的css 效果是真的多 https://github.com/chokcoco/iCSS强烈推荐