body {
    background: darkyellow;
    font-size: 55px;
}
#main {
    width: 95vw;
    height: 95vh;
    margin:auto auto;
    background-color: white;
    overflow: hidden; 
    padding-left: 10px;
    padding-right:10px;
    border: inset;
}
h1 {font-size: 70px;}