...
								.block::before {
								content: '';
								background: linear-gradient(#000 0%, #000 100%) no-repeat left center;
								width: 150px;
								height: 150px;
								position: absolute;
								left:  0;
								top: 0;
								}
								...
								
									[t]<div [a]class[/][e]=[/][s]"block"[/] [a]data-cdivs[/][e]=[/][s]"type: arc, inners: '::before'"[/]>[/]
								
								...
								
									[t]<script [a]src[/][e]=[/][s]"cdivs.min.js"[/]></script>[/]