css/table/tab 标签栏 边框重叠 选中时高亮(样本)

默认选中

    tableA: 0,

html

      

        

          

            
{{v}}
          
        
      

css

  .test-table {
    margin-top: 50px;
    border-collapse: collapse;
    th {
      padding: 5px 10px;
      border: 1px solid lightgray;
    }
    .adidas {
      border-color: red;
    }
    .nike {
      border-right-color: red;
    }
  }