JSFiddle - React, Tailwind, and code Playground

HTML

<div class="tag"> <span>16,00 €</span>

</div>

CSS

.tag {
	    position:absolute;
	    top:20px;
	    left:150px;
	    display:block;
	    color:green;
	    width:290px;
	    height:100px;
	    background-color: currentColor
	}
	span {
	    color:black;
	}
	.tag:before {
	    content:"";
	    position:absolute;
	    left:-50px;
	    border-top: 50px solid transparent;
	    border-right: 50px solid currentColor;
	    border-bottom: 50px solid transparent;
	}