3D-CSS-Animation/style.css at main · vitorlfaria/3D-CSS-Animation · GitHub

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:root {
    --boxColor: #0ff7;
    --rotateSpeed: 10s;
    --bounceSpeed: 1.5s;
}

body {
    background-color: black;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 75px;
    perspective: 10em;
    perspective-origin: 50% calc(50% - 2.5em);
}

.scene {
    position: relative;
    transform-style: preserve-3d;
    animation: sceneRotate var(--rotateSpeed) infinite linear;
}

@keyframes sceneRotate {
    to { transform: rotateY(360deg); }
}

.ball {
    width: 1em;
    height: 1em;
    border-radius: 50%;
    background-color: white;

    position: absolute;
    left: -.5em;
    bottom: 1em;
    background-image: radial-gradient(
        circle at top,
        lightblue,
        #000
    );
    animation:
    ballBounce var(--bounceSpeed) infinite ease-out,
    sceneRotate var(--rotateSpeed) infinite linear reverse;
}

@keyframes ballBounce {
    0%, 100% { bottom: 0.5em; }
    50% { bottom: 3em; animation-timing-function: ease-in;}
}

.ballShadow {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#0007, #0000 50%);
    animation: ballShadow var(--bounceSpeed) infinite ease-out;
}

@keyframes ballShadow {
    0%, 8%, 93.5%, 100% { transform: scale(1); opacity: 1;}
    50% { transform: scale(2); opacity: 0.5; animation-timing-function: ease-in;}
}

.cube {
    width: 2em;
    height: 2em;
    position: absolute;
    bottom: -1em;
    left: -1em;
    animation: cubeHeight var(--bounceSpeed) infinite linear;
}

@keyframes cubeHeight {
    0%, 100% { height: 1.5em; }
    8%, 93.5% { height: 2em; }
}

.left, .right, .front, .back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--boxColor);
    box-shadow: 0 0 0.5em #000a inset;
}

.front { transform: translateZ(1em); }
.right { transform: rotateY(90deg) translateZ(1em); }
.back { transform: rotateY(180deg) translateZ(1em); }
.left { transform: rotateY(270deg) translateZ(1em); }

.top {
    overflow: hidden;
    position: absolute;
    width: 2em;
    height: 2em;
    background: var(--boxColor);
    transform: translateY(-50%) rotateX(90deg);
    box-shadow: 0 0 0.5em #000a inset;
}

.bottom {
    position: absolute;
    width: 2em;
    height: 2em;
    background: rgba(23, 198, 204, 0.411);
    bottom: 0;
    transform: translateY(50%) rotateX(90deg);
    box-shadow: 0 0 2em rgb(0, 255, 255);
}

.floor {
    position: absolute;
    top: 1em;
    transform:
        translate(-50%, -50%)
        rotateX(90deg);
    width: 15em;
    height: 15em;
    background-image:
        radial-gradient(#0000, #000 75%),
        repeating-conic-gradient(
        from 45deg, #111 0deg 90deg, #222 90deg 180deg);
    background-size: 100%, 1em 1em;
}