.wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-auto-rows: 5fr 5fr 320px 10fr 5fr;
    grid-gap: 10px;
    height: 720px;
}

header {
    grid-column-start: 1;
    grid-column-end: 4;
    background-color: aqua;
    align-items: center;
    font-weight: bold;
    font-size: 2vw;
}


nav {
    grid-column-start: 1;
    grid-column-end: 4;
    background-color:yellow;
    color: red;
    align-items: center;
}

.gohome:hover {
    background-color: white;
    font-weight: bolder;
    color: red;
}

footer {
    grid-column-start: 1;
    grid-column-end: 4;
    background-color: bisque;
    align-items: center;
}

aside {
    background-color: beige;
    grid-row-start: 3;
    grid-row-end: 5;
    overflow:auto;
    font-size: 1.5vw;
}

.contents {
    background-color: crimson;
}

.contents2 {
    background-color:blueviolet;
}

.videotitle {
    grid-row-start: 4;
    grid-row-end: 5;
    background-color: red;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
}

.wrapper * {
    display: flex;
    justify-content: center;
    /*align-items: center;*/
    margin-bottom: 1px;
    margin-right: 1px;
}