@project-sunbird/content-player/coreplugins/org.ekstep.previousnavigation-1.0/renderer/templates/top.html

Which renders the contents in both web and devices

<style>
    .nav-btn-top.previous {
        right: 8%;
    }
    .nav-btn-top.previous img.nav-previous {
        transform: rotate(-180deg);
    }
    </style>
    <a href="#" class="sb-btn-arrows prev"  ng-click="navigate('previous')">
        <span class="chevron left" style="display: flex;align-items: center;"></span>
    </a>