JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<div id="body-wrap">
    
<div id="mobilenav">
</div>


<div class="content-wrap">

    <div id="container">
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>
        <div class="mix"></div>        
    </div>

</div>




</div> <!-- end of Body Wrap -->
</body>

CSS

body {
	background: #17181c;
	font-family: 'Abel', 'Roboto Condensed' sans-serif;
	font-weight: 400;
	overflow-y: scroll;
	font-size: 1em;
}

#body-wrap {
	width: 100%;
	margin: 0;
}

#mobilenav {
	display: block;
	width: 100%;
	height: 100px;
	background: #E83C59;
    margin: 0;
}

/*-- Content --*/

.content-wrap {
	float: left;
	height: 100%;
	width: 100%;
	margin-left: 0;
	background: #5C5C5C;
    margin-top: 20px;
}

#container {
	top: 0;
	position: relative;
	box-sizing: border-box;
	float: left;
	height: 100%;
	width: 100%;
	max-width: 1600px;
	/*background: #544949;*/
	color: #FFF;
	margin-top: 0px;
	margin-bottom: 20px;
	margin-left: 10px;
}


.mix {
	background: #24C770;
	width: 335px;
	height: 250px;
	margin: 0px 10px 10px 0px;
	cursor: pointer;
    display: inline-block;
}