JSFiddle - React, Tailwind, and code Playground

by Softlink

HTML

<div>похоже?</div>

CSS

div{
    position: relative;
    width: 300px;
    height: 200px;
    margin: 50px;
    color: #fff;
    background: #333;
}

div:before, div:after{
    content:'';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    background: #333;
    border-radius: 10px;
    z-index: -1;
}

div:before{
    left: -20px;
    -webkit-transform: skewX(-5deg);
    -moz-transform: skewX(-5deg);
    -o-transform: skewX(-5deg);
    -ms-transform: skewX(-5deg);
    transform: skewX(-5deg);
    border-radius: 10px 0 0 10px;
}

div:after{
    right: -20px;
    -webkit-transform: skewX(5deg);
    -moz-transform: skewX(5deg);
    -o-transform: skewX(5deg);
    -ms-transform: skewX(5deg);
    transform: skewX(5deg);
}