JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
 <!--   <div class="narrative-inner-slide-cta"> -->
        <button class="arrowCta  arrowCta--alt "></button>
   <!-- </div>-->

CSS

body{
            background-color: green;
        }
        
        button {
          border:none;
        }
        .narrative-inner-slide-cta{
            position: absolute;
        }
        .narrative-inner-slide-cta {
            list-style: none;
            display: -ms-flexbox;
            display: -webkit-flex;
            display: flex;
        }
        .narrative-inner-slide-cta {
            -ms-flex-align: center;
            -webkit-align-items: center;
            align-items: center;
        }
        .narrative-inner-slide-cta {
            -ms-flex-direction: column;
            -webkit-flex-direction: column;
            flex-direction: column;
        }
        .narrative-inner-slide-cta {
            bottom: 3rem;
            left: 0;
            right: 0;
            width: 5rem;
            margin-right: auto;
            margin-left: auto;
            opacity: 0;
        }
        .narrative-inner-slide-cta {
            -moz-animation: show-slide-cta .5s ease-in-out forwards .7s;
            -webkit-animation: show-slide-cta .5s ease-in-out forwards .7s;
            animation: show-slide-cta .5s ease-in-out forwards .7s;
        }

        .arrowCta {
            bottom: 50px;
            background-color: transparent;
            color: #3a261e;
            position: absolute;
            left: 0;
            right: -3px;
            margin-right: auto;
            margin-left: auto;
            width: .2rem;
            -moz-transform: rotate(45deg);
            -ms-transform: rotate(45deg);
            -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
        }
        .arrowCta--alt{
            color: #000;
        }
        .arrowCta:after,
        .arrowCta:before {
            border-right: 3px solid #3a261e;
            border-bottom: 3px solid #3a261e;
            border-left: 0 solid transparent;
            border-top: 0 solid transparent;
            top: 0;
            left: 0;
            opacity:...