.zoom {
    position: fixed;
    width: 100vw;
    height: 90vh;
    top: 5vh;
}

h1 {
    position: absolute;
    width: 100vw;
    top: 5vh;
    font-family: Arial, Helvetica, sans-serif;    
    font-size: 7vh;
    font-weight: bold;
    text-align: center;
    color: skyblue;
    text-shadow: 0.1vh 0.1vh 0.1vh white,
                 0.3vh 0.3vh 0.3vh red;
    z-index: 1;
}