main {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 120px 1fr 1fr 1fr;
    margin: 0 50px;
    border: 2px solid red;
}

h1 {
    grid-column: 1/4;
    grid-row:1/2;
    text-align: center;
}

article {
    border: 2px solid red;
}

#embed {
    grid-column: 1/2;
    grid-row: 2/3;
}

#macaw {
    grid-column: 2/3;
    grid-row: 2/3;
}

#bobross {
    grid-column: 3/4;
    grid-row: 2/3;
}

#movies {
    grid-column: 1/2;
    grid-row: 3/5;
}

#rugby {
    grid-column: 1/2;
    grid-row: 5/6;
}

#figcap {
    grid-column: 2/5;
    grid-row: 3/4;
}

#shel {
    grid-column: 2/5;
    grid-row: 4/6;
}

#stone {
    width: 500px;
    height: auto;
}