@media (max-width: 900px){
    *{
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body{
        display: grid;
        place-items: center;
        width: 100%;
        height: infinite;
    }
    .nav-bar{
        display: grid;
        place-items: center;
    }
    h2{
        margin: auto;
    }
}