div.lock {
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
    position: absolute;
    z-index: 10000;
    display: none;
    background-color: black;
    display: none;
}
div.lock h1 {
    font-size: 80px;
    font-weight: 800;
    color: white;
    margin-top: 20%;
    text-align:center
}
div.lock h2 {
    font-size: 60px;
    font-weight: 700;
    color: white;
    text-align:center
}
div.lock h3 {
    font-size: 40px;
    font-weight: 600;
    color: white;
    text-align:center
}
div.lock p {
    font-size: 30px;
    font-weight: 500;
    color: white;
    text-align:center
}