html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

.hero {
    position: fixed;
    z-index: -1000;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero > img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100vw;
    min-height: 100vh;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero > .overlay {
    position: absolute;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1, h2 {
    font-family: Arial;
    color: white;
}

h1 {
    font-size: 4rem;
}

h2 {
    font-size: 3rem;
    text-transform: lowercase;
    font-weight: 300;
}