JSFiddle - React, Tailwind, and code Playground

HTML

<body>
	<div class="container">
		<div class="nav">

		</div>
        <div class="chrome">
            <div class="content">
                <div class="header">
                </div>
                <div class="whole">
                    <div class="left">
                    </div>
                    <div class="right">
                        <div class="assets">
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                            <div class="asset">
                            </div>
                        </div>
                            
                        </div>
                    </div>
                </div>
            </div>
        </div>
	</div>
</body>

CSS

html, body {
    height: 100%;
}
.container {
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: column;
	flex-flow: column;
	height: 100%;
}

.nav {
	-webkit-flex: 0 1 auto;
	flex: 0 1 auto;
	height: 75px;
	background-color: yellow;
}

.chrome {
    height: 100%;
	-webkit-flex: 1 1 auto;
	flex: 1 1 auto;
	background-color: blue;
	padding: 10px;
    overflow: hidden;
}

.content {
    height: 100%;
}

.header {
	height: 100px;
	background-color: white;
}

.whole {
	height: 100%;
	background-color: green;
    padding-left: 10px;
    padding-right: 10px;
}

.left {
    margin-right: 20px;
    width: 150px;
    height: 100%;
    float: left;
    background-color: red;
}

.right{
    overflow: hidden;
    height: 100%;
    background-color: orange;
}

.assets {
    overflow-y: scroll;
    height: 100%;
}

.asset {
    height: 100px;
    background-color: aqua;
    margin-bottom: 10px;
}