body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: black;
}

.image-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.secret-area {
    position: absolute;

    top: 65%;
    left: 10%;
    width: 30%;
    height: 30%;

    cursor: pointer;
}

.debug .secret-area {
    outline: 2px dashed red;
    background: rgba(255, 0, 0, 0.15);
}