JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <svg xmlns="http://www.w3.org/2000/svg" version="1.1" class="svg-right-arrow" viewBox="0 0 20 152" preserveAspectRatio="xMinYMid meet">
        <polygon points="0,0 0,152 20,76"></polygon>
    </svg>
</div>

CSS

.container{
    width:500px;
    height:300px;
    border:1px solid lightgrey;
}
.svg-right-arrow{
    height:100%;
    -webkit-filter: drop-shadow( 6px 0 2px #000000 );
            filter: drop-shadow( 6px 0 2px #000000 );
}
.svg-right-arrow polygon{
	fill:lightblue;
}