css制作图标

效果

html

<span class="navbar-minimalize">
	<i class="icon-mininavbar"></i>
</span>

css

.navbar-minimalize {
	display: inline-block;
	width: 40px;
	height: 30px;
	background: #28B294;
	border-radius: 2px;
	text-align: center;
	line-height: 2.2;
}
			
.navbar-minimalize .icon-mininavbar {
	display: inline-block;
	position: relative;
	width: 16px;
	height: 12px;
	border-top: 2px solid #fff;
	border-bottom: 2px solid #fff;
}
			
.navbar-minimalize .icon-mininavbar::before {
	content: '';
	display: block;
	position: absolute;
	top: 50%;
	left: 50%;
	width: 100%;
	height: 2px;
	background: #fff;
    -webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
}