@media screen and (max-width: 850px){

    nav
    {
        width: 3em;
        flex-grow:3;
        border-radius: 0.25em;
        display: flex    
        ;flex-direction: column
        ;flex-wrap: nowrap
        ;justify-content: flex-start
        ;align-items: flex-start;
    }

    nav a h1 {

    font-size: 0.5em;
    }
    
}