*{box-sizing: border-box;margin: 0; padding: 0;text-align: center;}

body{ width: 100%; font-family: roboto;font-weight: bold;}
.contenedor{ max-width: 1200px; margin: 0 auto;}

header{width: 100%; padding: 2rem 0 2rem 0; background-color: #f24c4c;}

.main{padding: 0.3rem 0 0.3rem 0.2rem 
    ;display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	justify-content: flex-end;
	align-items: stretch;
	align-content: stretch;
}

section{background-color: #74dddd;width: 70%;height: 700px;padding: 0.5rem 0.4rem 3rem 0.4rem; }

.articulos {height: 100%;display: flex;
	flex-direction: column;
	flex-wrap: nowrap;
	justify-content: space-around;
	align-items: stretch;}

section article{ width: 100%;background-color: orange; height: 33%; margin-bottom: 0.5rem; padding: 6rem 0 0 0}

aside{ width: 30%; background-color: grey;height: 350px; margin-left: 0.2rem; padding-top: 2rem; }

footer{ background-color: bisque; padding: 2rem 0 2rem 0;}