JSFiddle - React, Tailwind, and code Playground

by avrahamcool

HTML

<div class="SpecialBox">
            <div class="TopTriangle">
                <div class="Gray Border">
                    <div class="Black Border">
                        <div class="White Border"></div>
                    </div>
                </div>
            </div>

            <div class="Content">
                Some Content
                <br />
                And another line of Content
            </div>

            <div class="BottomTriangle">
                <div class="Gray Border">
                    <div class="Black Border">
                        <div class="White Border"></div>
                    </div>
                </div>
            </div>
        </div>

CSS

*
{
    margin: 0;
    padding: 0;
}

.SpecialBox
{
    background-color: black;
    -webkit-box-shadow: inset 0 0 0 5px black, inset 0 0 0 6px gray;
    box-shadow: inset 0 0 0 5px black, inset 0 0 0 6px gray;
    display: inline-block;
    color: white;
    overflow: hidden;
    position: relative;
}
.Content
{
    padding: 20px;
}

.Border
{
    width: 0;
    border-left: 35px solid transparent;
    border-right: 35px solid transparent;   
    position: absolute;
}

.Gray
{
    position: relative;
    margin: 0 auto;
}
.TopTriangle .Gray
{
    border-top: 25px solid gray;
}
.BottomTriangle .Gray
{
    border-bottom: 25px solid gray;
    top: -1px;
}

.Black
{
    left: -35px;
}
.TopTriangle .Black
{
    border-top: 25px solid black;
    top: -27px;
}
.BottomTriangle .Black
{
    border-bottom: 25px solid black;
    top: 1px;
}

.Black:before
{
    content: '';
    position: absolute;
    left: -35px;
    width: 70px;
    height: 6px;
    background-color: black;
}
.TopTriangle .Black:before
{
    top: -24px;
}
.BottomTriangle .Black:before
{
    top: 20px;
    z-index: 1;
}

.White
{
    left: -35px;
}
.TopTriangle .White
{
    border-top: 25px solid white;
    top: -30px;
}
.BottomTriangle .White
{
    border-bottom: 25px solid white;
    top: 6px;
    z-index: 2;
}