html, body, section, img
{
    margin: 0;
    border: 0;
    padding: 0;
    box-sizing: border-box;
}
body
{
    background-color: #f2ede7;
}
section
{
    opacity: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    transition: opacity 0.5s;
}
section img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
    vertical-align: top;
}
section:nth-of-type(8) img
{
    object-position: center top;
}
section.active
{
    opacity: 1;
}