(css)步骤条el-steps区分等待、进行中、完成三种状态的图片
效果:

            
            
              c
              
              
            
          
          <el-steps :active="active" finish-status="success" class="steps">
  <el-step title="选择.."></el-step>
  <el-step title="..规则"></el-step>
  <el-step title="..参数"></el-step>
  <el-step title="输出结果"></el-step>
  <el-step title="..化"></el-step>
</el-steps>
        css:
            
            
              c
              
              
            
          
          .steps {
      // margin-top: 20px;
      ::v-deep .el-step__title.is-process {
        color: #fff;//编辑时标题颜色
      }
     //process状态自定义图片
      ::v-deep .el-step__head.is-process {
        position: relative;
        height: 24px;
        .el-step__icon.is-text {
          border: none; //不显示圆圈
          position: absolute;
          top: -2px;
          left: -2px;
          width: 26px;
          height: 26px;
          background: #2b7bf0;
          // background-color: #000;
          background-image: url('~@/assets/images/online-edit.png');
          background-size: 100% 100%;
          // background: transparent;
        }
        .el-step__icon-inner {
          display: none;
        }
      }
      ::v-deep .el-step__icon-inner {
          display: none; //不显示内部数字
      }
      //success状态
      ::v-deep .el-step__title.is-success {
        // color: #000;//标题颜色
      }
      ::v-deep .el-step__head.is-success {
        // border-color: #2b7bf0;//圈边及连线颜色
        .el-step__icon.is-text {
          border: none;
          background: #2b7bf0;
          background-image: url('~@/assets/images/online-ok.png');
          background-size: 100% 100%;
        }
      }
      //wait状态
      ::v-deep .el-step__head.is-wait {
        // border-color: #95c1fc;
        .el-step__icon.is-text {
          border: none;
          background: #95c1fc;
          background-image: url('~@/assets/images/online-time.png');
          background-size: 100% 100%;
          .el-step__icon-inner {
            // color: #95c1fc;
          }
        }
      }
    }
        解决参考:https://blog.csdn.net/weixin_43410997/article/details/135654669

解决参考2:https://www.cnblogs.com/5201314m/p/12356017.html
