JSFiddle - React, Tailwind, and code Playground

HTML

<div class="ybox"></div>
<div class="gbox"></div>

CSS

.ybox {
    position: relative;
    width: 40px;
    height: 100px;
    background: rgba(255, 200, 0,1);
    z-index: 1;
    margin-top: 30px;
    pointer-events: none;
    //pointer-events: auto;
}

.ybox:hover{
  background: rgba(0, 50, 100, .8);
}

.gbox {
    
    position: absolute;
    top: 0; left: 0;
    width: 200px;
    height: 50px;
    background: rgba(0, 220, 170, 1);
    z-index: 0;
}
.gbox:hover{
  background: rgba(0, 50, 100, .8);
}