*{
box-sizing: border-box;
margin: 0.2rem; padding: 0;
}

.contenedor{
max-width: 100rem;
margin:inherit
}


header{
background: rosybrown;
height: 4rem;
}

main{
display: flex;
background:azure;
}

section{
background: #c0518c;
width: 70%;
padding: 1.5rem 0.5rem 1.5rem 0.4rem;
margin: 0.5rem 0.5rem 0.5rem 
}

article{    
background: #fffee6;
height: 20rem;
margin: 0 0 0.5rem 0;
padding:1.5rem 0.5rem 1.5rem 0.4rem;
    
}

aside{
background: #765aa8;
height: 35rem;
width: 30%;
margin: 0.6em 0rem 0.5rem 0rem;
padding: 1.5rem 0.4rem 1rem 0.4rem;
}

footer{
background:dimgrey;
padding: 1rem;
height: 5rem;
}