JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block-add-a-book">
    <input type="button" value="+    ADD A BOOK" class="button-book" />
</div>

CSS

.button-book{
	width: 160px;
	height: 44px;
	background: #f2795a;
	border-radius: 5px;
	margin: 35px 20px;
	color: #ffffff;
	text-align: center;
	color: #ffffff;
	font-size: 1.0em;
	font-family: arial black, sans-serif;
	border: 0;
	z-index: 1;
}
input[type="button"] {
    background-image: url(http://s011.radikal.ru/i318/1502/ca/b18450e6091b.png) no-repeat left 51%;
}