JSFiddle - React, Tailwind, and code Playground

HTML

<div id='app_page'>
<div class='button_box'>
			<div class='share_icon'></div>
			<div class='share_icon'></div>
			<div class='share_icon'></div>
			<a href='/' class='download' target='_blank'>GET</a>
		</div>
</div>

CSS

#app_page { width: 100% }

#app_page .button_box { 
    width: 100%; 
    box-sizing: border-box; 
    display: flex; 
    justify-content: space-between;
}

#app_page .button_box .download { 
    vertical-align: top; 
    background: black; 
    width: 36px; 
    height: 36px; 
    line-height: 36px; 
    display: inline-block; 
    color: #fff; 
}

#app_page .button_box .share_icon { 
    cursor: pointer; 
    display: inline-block; 
    background:black; 
    height: 36px; 
    width: 36px;
}