JSFiddle - React, Tailwind, and code Playground

HTML

<div class="big">Activity</div>

<div class="small"> 
    <a href="javascript:void(0);">View timeline / Filter activities
    </a>
</div>

CSS

.big {
    float: left;
    font-size: 2em
}
.small {
    float: right;
    position: relative;
    font-size: 1em;
    top: 13px;
}