body {
    margin: 0;
    background-color: rgb(0, 99, 49);
}
.taivas {
    background-image: url(yo-taivas.jpg);
}
.katto {
    background-image: url(katto-yo.jpg);
}
.talo {
    background-image: url(seina-yo.jpg);
}
.ikkuna {
    background-image: none;
    background-color: #333;
    border: 12px inset rgb(133, 115, 93);

}
.ovi {
    background-image: url(ovi-yo.jpg);
    pointer-events: none;
}
.kyltti {
    background-color: rgb(177, 177, 177);
    color: #a72121;
    box-shadow: 0px 30px 20px -10px #0c0c0c94;
}
.tolppa {
    border-color: #333;
}
.ikkuna:hover, .valvoja {
    background-color: #ffee56;
    border: 12px inset rgb(255, 222, 179);
}
.ralsei:hover {
    background-image: url(ralsei-gangnam-style.gif);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.gerson:hover {
    background-image: url(gerson-boom-gerson.gif);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.tenna:hover {
    background-image: url(tenna-dance-funny.gif);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.spamton:hover {
    background-image: url(spamton-deltarune.gif);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}