.room {
    background: white;
    aspect-ratio: 16 / 9;
    position: relative;
    margin: 0 auto;
    max-height: calc(100vh - 8rem);
}

.room > a {
    position: absolute;
}

.library, .library:visited {
    background: green;
    color: white;
    top: 10%;
    left: 20%;
    width: 8%;
    height: 4%; 
}

.bulletin, .bulletin:visited {
    background: brown;
    color: white;
    top: 3%;
    left: 60%;
    width: 10%;
    height: 7%;
}

.dance, .dance:visited {
    background: purple;
    color: white;
    top: 50%;
    left: 10%;
    width: 15%;
    height: 50%;
}

.aquarium, .aquarium:visited {
    background: blue;
    color: white;
    top: 70%;
    left: 50%;
    width: 10%;
    height: 10%;
}

.wall, .wall:visited {
    background: black;
    color: white;
    top: 35%;
    left: 30%;
    width: 8%;
    height: 6%;
}

.meeting, .meeting:visited {
    background: dimgray;
    color: white;
    top: 50%;
    left: 80%;
    width: 15%;
    height: 50%;
}