*{
    margin: 0;
    padding: 0;
}
html{
    scroll-behavior:smooth;
}
/* header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    z-index: 2;
    background-color: white;
    top: 0vw;
    width: 100%;
    left: 0vw;
}
.leftHeader{
    position: relative; top: -0.2vw;
}

/* main body */
.youtubeItems{
    margin-top: 5vw;
    display: grid;
    grid-template-columns: 33vw 33vw 33vw;
    row-gap: 2vw;
    column-gap: 2vw;
    
}

/* footer */
.footer{
    display: flex;
    background-color: black;
    color: white;
    height: 20vw;
    justify-content: center;
    align-items: center;
}