JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

body {
    background: url(http://i.imgur.com/RT7XR3C.jpg);
    background-size: cover;
}
div {
    height: 200px;
    width: 300px;
    margin: 40px auto;
    overflow: hidden;
    position: relative;
}
div:before {
    content: '';
    position: absolute;
    left: -58px; /*-half buffer -left border*/
    height: 188px;
    width: 400px;
    background: rgba(30, 30, 30, 0.8);
    -webkit-transform: skewX(45deg);
    -moz-transform: skewX(45deg);
    transform: skewX(45deg);
    border-left: 8px solid #222;
    border-right: 8px solid #222;
    border-top: 6px solid #222;
    border-bottom: 6px solid #222;
}
div:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 157px;
    width: 6px;
    background: #222;
    box-shadow:0 0 0 0 #222, 294px 43px 0 0 #222;
}