ec.uniapp-master/components/alert/alert.less

.alert-box{
  position:fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0,0,0,.6);
  z-index: 100;
  .paney{
    width: 80%;
    background-color: #ffffff;
    border-radius: 4px;
    margin: 40% auto 0 auto;
    .paney-body{
      text-align: center;
      height: 110px;
      line-height: 110px;
      padding:0 10px;
    }
    .paney-foot{
      display: flex;
      button{
        font-size: 16px;
        flex: 1;
        padding: 0;
        line-height: 50px;
      }
      button::after{
        border:none;
      }
    }
  }
}