

 h3:before {
    content: '';
    height: 24px;
    border-left: 6px solid #ff9900;
    position: absolute;
    top: 0%;
    left: 0%;
}
.carbon {
	padding: 1em 1em;
	background: -webkit-linear-gradient(45deg, #292929 25%, transparent 25%, transparent 75%, #292929 75%), -webkit-linear-gradient(45deg, #292929 25%, transparent 25%, transparent 75%, #292929 75%) 0.1875em 0.1875em, -webkit-radial-gradient(at 50% 0, #484847, #090909);
	background: linear-gradient(45deg, #292929 25%, transparent 25%, transparent 75%, #292929 75%), linear-gradient(45deg, #292929 25%, transparent 25%, transparent 75%, #292929 75%) 0.1875em 0.1875em, radial-gradient(at 50% 0, #484847, #090909);
	background-size: 0.375em 0.375em, 0.375em 0.375em, 100% 100%;
}