<h1 class="cp_h1title">見出しテキスト</h1>

.cp_h1title {
	position:relative;
	padding: .1em .3em .1em 1em;
}
 
.cp_h1title:before{
	position: absolute;
	content: '';
	height: 15px;
	width: 13px;
	display: block;
	background: #00BCD4;
	top: 0.3em;
	left: 3px;
	transform: rotate(-50deg);
}
.cp_h1title:after{
	position: absolute;
	content: '';
	height: 13px;
	width: 6px;
	display: block;
	background: #00BCD4;
	top: 0.8em;
	left: 2px;
	transform: rotate(-90deg);
}