.body {
background-color: rgb(37, 37, 37);
}
.taivas {
background-color: rgb(0, 5, 75);
background-image: url(milky-way-2695569_1920.jpg);
}
.talo {
background-color: rgb(112, 74, 148);
background-image: url(tiiliseina_yo.jpg);
}
.katto {
background-color: rgb(126, 0, 143);
background-image: url(tiilikatto_yo.jpg);
}
.ikkuna {
    background: rgb(0, 0, 0);
    width: 150px;
    height: 150px;
    display: inline-block;
    margin: 9px;
    background-color: rgb(0, 0, 0);
    border: 10px ridge rgb(126, 0, 143)
}
.ovi {
background-color: #47008a;
}
.kyltti {
    color: rgb(190, 131, 245);
    background-color: #47008a;
    text-shadow: 0px 0px 30px rgb(225, 107, 255)
}
.valot, .ikkuna:hover{
    background-color: #fbff00;
    box-shadow: 0px 0px 30px #fbff00;
    border-color: #fbff00;
}

.gif:hover {
background-image: url(giphy.gif);
background-size: cover;
background-position: center;
}