SOURCE

<div class="bg-1">
	<div class="bg-2">
		<div class="wrapper clearfix">
			<div class="center">Lorem ipsum dolor sit amet consectetur adipisicing elit. Recusandae illo repellendus error temporibus
				totam, aspernatur dicta cupiditate, deserunt dolor
			</div>
			<div class="left">Lorem ipsum dolor sit, amet consectetur adip autem!</div>
			<div class="right">Lorem ipsum dolor sit amet consectetur bcaecati animi repellat ium us repudiandae debitis!</div>
		</div>
	</div>
</div>

.clearfix::after {
    display: block;
    clear: both;
    content: "";
}

.bg-1 {
    width: 600px;
    margin: 0 auto;
    background-color: #066;
    overflow: hidden;
}

.bg-2 {
    margin-left: 150px;
    background-color: #099;
}

.wrapper {
    margin-left: 300px;
    color: #fff;
    background-color: #066;
}

.wrapper > div {
    float: left;
    padding: 10px;
    box-sizing: border-box;
}

.wrapper > .center {
    width: 300px;
    margin-left: -300px;
}

.wrapper > .left {
    width: 150px;
    margin-left: -450px;
}

.wrapper > .right {
    width: 150px;
}