JSFiddle - React, Tailwind, and code Playground

HTML

<div class="table">
    <div class="tr">
        <div class="td">1</div>
        <div class="td">2</div>
        <div class="td">3</div>
        <div class="td">4</div>
        <div class="td">5</div>
    </div>
    <div class="tr">
        <div class="td">1</div>
        <div class="td">2</div>
        <div class="td">3</div>
        <div class="td">4</div>
        <div class="td">5</div>
    </div>
    <div class="tr">
        <div class="td">1</div>
        <div class="td">2</div>
        <div class="td">3</div>
        <div class="td">4</div>
        <div class="td">5</div>
    </div>
</div>

SCSS

.table {
        display: table;
        border-collapse: collapse;
        overflow: hidden;
    }
    
    .tr {
      display: table-row;
      position: relative;
        
        &:hover {
          background: green;
        }
        
        &:before, &:after {
          content: '';
          position: absolute;
          left: 0;
          right: 0;
          height: 1px;
          background: #b5b5b5;
          z-index: 3;
        }
        
        &:before {
          top: -1px;
        }
        
        &:after {
          bottom: 0;
        }
        
    }
    .td {
        position: relative;
        display: table-cell;
        text-align: center;
        border: 1px solid #b5b5b5;
        vertical-align: middle;
        padding: 20px;
        z-index: 3;
        
        &:before {
          content: '';
          display: none;
          position: absolute;
          left: 0;
          right: 0;
          top: -1000px;
          bottom: -1000px;
          background: green;
          z-index: -1;
        }
        
        &:hover {
          z-index: 1;
          
          &:before {
            display: block;
          }
        }
    }