body {
    background-color: #444;
}
.taivas {
    background-image: url(yotaivas.jpg);
}
.katto {
    background-image: url(tiilikatto-yo.jpg);
    box-shadow: 0px 25px 30px -15px #1b120f;
}
.talo {
background-image: url(tiiliseina-yo.jpg);
}
.ikkuna {
background-image: none;
background-color: #444;
border: 10px inset rgb(27, 27, 27);

}
.ovi {
    background-color: rgb(20, 14, 14);
}
.kyltti {
    color: #f3f3f3;
    background-color: rgb(41, 41, 39);
    box-shadow: 0px 20px 40px -10px #1b120f;
    text-shadow: 0px 0px 30px #fff23b;
}
.tolpat {   
    border-color: #222;
}
.valot, .ikkuna:hover {
    background-color: #ffe138;
    box-shadow: 0px 0px 30px #ffe138;
    border-color: #ffe138;
}
.apina:hover {
    background-image: url(apina.gif);
    background-size: cover;
    background-position: center;
    border: 10px inset #777;
    box-shadow: 0px 0px 30px #777;
}
.koodinalle:hover {
    background-image: url(koodinalle.gif);
    background-size: cover;
    background-position: center;
    border: 10px inset #3e5e8f;
    box-shadow: 0px 0px 30px #3e5e8f;
}