body {
    margin: 10px;
    background-image: url(/assets/images/panoramic-view-sunset-night-2.jpg);
    background-color: black;
}

h1 {
    font-family: Arial, Helvetica, sans-serif;
    color: hsl(62, 63%, 96%);
    text-align: center;
    margin: 30px;
}


@keyframes fade-in {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes change {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 0.5;
    }

    100% {
        opacity: 1;
    }
}

.phase-one {
    animation: fade-in 10s ease-in,
        change 2.5s ease-out infinite;
}

.phase-two {
    animation: fade-in 10s ease-in,
        change 2s ease-out;
    animation-delay: 2s, 4s;
}

.phase-three {
    animation: fade-in 10s ease-in,
        change 2s ease-out infinite;
    animation-delay: 6s, 8s;
}


@keyframes rotation {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.mercury {
    width: 100%;
    display: block;
    animation: rotation 1s infinite linear;
    transform-origin: center;
}

.venus {
    width: 100%;
    display: block;
    animation: rotation 2.5s infinite linear;
    transform-origin: center;
}

.earth {
    width: 100%;
    display: block;
    animation: rotation 4s infinite linear;
    transform-origin: center;
}

.mars {
    width: 100%;
    display: block;
    animation: rotation 7.6s infinite linear;
    transform-origin: center;
}

.jupiter {
    width: 100%;
    display: block;
    animation: rotation 48s infinite linear;
    transform-origin: center;
}

.saturn {
    width: 100%;
    display: block;
    animation: rotation 118s infinite linear;
    transform-origin: center;
}

.uranus {
    width: 100%;
    display: block;
    animation: rotation 338s infinite linear;
    transform-origin: center;
}

.neptune {
    width: 100%;
    display: block;
    animation: rotation 665s infinite linear;
    transform-origin: center;
}

.pluto {
    width: 100%;
    display: block;
    animation: rotation 1000s infinite linear;
    transform-origin: 50% 50%;
}

.sun {
    filter: blur(2px);
}