*{box-sizing: border-box; margin: 0; padding: 0;}
.contendor{max-width: 1200px; margin: auto;}


header{padding: 8rem; background: #412ce8;}

.articulos{display: flex; 
	width: 100%;
	padding: 20rem 1rem 3rem 1rem;
	background-color: #b19cd9; 
	column-count:3;
	justify-content:space-between;}


.articulos article {
	background: #000; 
	padding:9rem; 
	margin: 1rem;}

.principal {
	background: #000;
	position: absolute;
	top: 17rem;
	left: 1rem;
	width: 95%;
}


aside {padding: 4rem; background: #412ce8;} 

footer{padding: 9rem; background: #de1c85;}