纯 Css 实现消息气泡效果

[powerdong]

<div class="tip"></div>

// 气泡阴影
.tip {
    width: 100px;
    height: 30px;
    line-height: 30px;
    border: 1px solid rgb(245, 129, 127);
    border-radius: 4px;
    position: relative;
    background-color: #fff;
    filter: drop-shadow(0px 2px 4px rgba(245, 129, 127, 0.9));
    &::before {
      content: "";
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 0 10px 10px 10px;
      border-color: transparent transparent #fff transparent;
      position: absolute;
      top: -10px;
      left: 0;
      right: 0;
      margin: auto;
      z-index: 2;
    }
    &::after {
      content: "";
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 0 10px 10px 10px;
      border-color: transparent transparent rgb(245, 129, 127) transparent;
      position: absolute;
      top: -11px;
      left: 0;
      right: 0;
      margin: auto;
      z-index: 1;
    }
}