#maschera_up {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 50vh;
    z-index: -250;
    background-color: var(--sky);
}

#maschera_down {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 50vh;
    z-index: -200;
    background-color: var(--ground);
}

#cielo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -150;
    background-color: var(--sky);
}

#stelle {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: url('/images/stelle_6000x6000.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 3000px 3000px;
    z-index: -100;
}

:root[data-theme="dark"] #stelle {
    display: block;
}

#sole,
#luna {
    position: absolute;
    top: 25vh;
    left: 15vw;
    width: 150px;
    height: 150px;
}

:root[data-sky="west"] #sole,
:root[data-sky="west"] #luna {
    left: 75vw;
}

#sole {
    background-color: rgb(255, 228, 74);
    border-radius: 75px;
}

#luna {
    display: none;
    background: url('/images/luna_1000x1000.png');
    background-repeat: no-repeat;
    background-size: 150px 150px;
}

:root[data-theme="dark"] #sole {
    display: none;
}

:root[data-theme="dark"] #luna {
    display: block;
}

.nuvola {
    position: absolute;
    top: 0;
    right: 0;
    background-repeat: no-repeat;
}

#nuvola_piccola {
    width: 150px;
    height: 95px;
    background-image: var(--nuvola-piccola);
    background-size: 150px 95px;
}

#nuvola_media {
    width: 170px;
    height: 107px;
    background-image: var(--nuvola-media);
    background-size: 170px 107px;
}

#nuvola_grande {
    width: 200px;
    height: 126px;
    background-image: var(--nuvola-grande);
    background-size: 200px 126px;
    z-index: 1000;
}

#terreno-container {
    position: relative;
    left: 0;
    overflow: hidden;
    width: 100vw;
    height: 200px;
    margin-top: -100px;
    z-index: 0;
}

#terreno {
    position: absolute;
    width: 6000px;
    height: 6000px;
    top: 0;
    left: 50%;
    margin-left: -3000px;
    background-color: var(--ground);
    border-radius: 3000px;
}

.fiore {
    position: absolute;
    width: 100px;
    height: 100px;
    bottom: 0;
    background-repeat: no-repeat;
    background-size: 100px 100px;
}

#fiore-rosso {
    left: 68vw;
    background-image: var(--fiore-rosso);
}

#fiore-blu {
    left: 75vw;
    background-image: var(--fiore-blu);
}