@charset "utf-8";

main{
    display: grid;
    grid-template-areas:
        "h h h h h h h"
        "n n n n n n n"
        "a a a a d d d"
        "s s s s s s s"
        "f f f f f f f";
    grid-gap: 0px;
}
header{
    grid-area:h;
}
nav{
    grid-area:n;
}
article{
    grid-area:a;
}
aside{
    grid-area:d;
}
section{
    grid-area:s;
}
footer{
    grid-area:f;
}

nav ul, footer ul{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}
section{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}