JSFiddle - React, Tailwind, and code Playground

HTML

<div class="a">A</div>
<div class="b">B</div>
<div class="c">C</div>

CSS

div{
    position:relative;
    width:80%;
    height:100px;
    color:red;
    text-align:center;
    line-height:100px;
    margin-bottom:10px;
}

.a{
    background: #9c9e9f; /* Old browsers */
    background: -moz-linear-gradient(left,  #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,#9c9e9f), color-stop(50%,#9c9e9f), color-stop(50%,#f6f6f6), color-stop(100%,#f6f6f6)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(left,  #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(left,  #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(left,  #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* IE10+ */
    background: linear-gradient(to right,  #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6',GradientType=1 ); /* IE6-9 */
}

.b{
    background: #9c9e9f; /* Old browsers */
    background: -moz-linear-gradient(left,  #9c9e9f 0%, #f6f6f6 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,#9c9e9f), color-stop(100%,#f6f6f6)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(left,  #9c9e9f 0%,#f6f6f6 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(left,  #9c9e9f 0%,#f6f6f6 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(left,  #9c9e9f 0%,#f6f6f6 100%); /* IE10+ */
    background: linear-gradient(to right,  #9c9e9f 0%,#f6f6f6 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6',GradientType=1 ); /* IE6-9 */
}

.c{    
    background: #9c9e9f; /* Old browsers */
    background: -moz-linear-gradient(left,  #9c9e9f 0%, #9c9e9f 50%, rgba(0,0,0,0) 50%, rgba(0,0,0,0) 100%); /* FF3.6+ */
  ...