JSFiddle - React, Tailwind, and code Playground

HTML

<div class="footer">
			<div class="footer-parts">
				<div class="left-footer"></div>
				<div class="question-block"></div>
				<div class="technical-support"></div>
			</div>
		</div>

CSS

.footer-parts{
	width: 1325px;
	height: 45px;
    float: left;
}
.left-footer{
	width: 510px;
	height: 45px;
    float:left;
	background: #181e2c;
	-webkit-border-bottom-left-radius: 7px;
	-moz-border-radius-bottomleft: 7px;
	border-bottom-left-radius: 7px;
}
.question-block{
	width: 55px;
	height: 45px;
	float: left;
	background-color: #1f2637;
}
.technical-support{
	width: 55px;
	height: 45px;
	float: left;
	background-color: #15a4fa;
	-webkit-border-bottom-right-radius: 7px;
    -moz-border-radius-bottomright: 7px;
    border-bottom-right-radius: 7px;
}