CodePen Embed - PBZmWb

<div class="box"></div>

.box {
width:100px;
height:100px;
border-right: 20px solid #7700BB;
border-left: 20px solid #E63F00;
border-top:  20px solid #00DDDD;
border-bottom:  20px solid #9999FF;
}

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