*{
    margin: 0;
    padding:0;
    background-color: gray;
    border: 1px black solid; 
}
nav{
    background-color: greenyellow;
    grid-row: 1 / 2;
    grid-column: 1 / -1;
}
#hero {
    background-color:purple;
    grid-row: 2 / 3;
    grid-column: 2 / -2;
}
main{
    background-color: brown;
    grid-row: 3/4;
    grid-column: 2/-2;
}
footer{
    background-color: yellow;
    grid-row: 4/5;
    grid-column: 1/-1;
}
#wrapper{
    display: grid;
    grid-auto-rows: minmax(50px, auto);
    grid-template-columns: minmax(0px, 2fr) repeat(6, minmax(auto, 200px)) minmax(0px, 2fr);
}