body {
    margin: 0;
    overflow: hidden;
}

.background {
    width: 100vw;
    height: 100vh;
    background: #3E1E68;
}

.background span {
    width: 20vmin;
    height: 20vmin;
    border-radius: 20vmin;
    backface-visibility: hidden;
    position: absolute;
    animation-name: move;
    animation-duration: 6s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}
.background span:nth-child(1) {
    color: #583C87;
    top: 47%;
    left: 10%;
    animation-duration: 10.5s;
    animation-delay: -12.6s;
    transform-origin: 0vw -9vh;
    box-shadow: -40vmin 0 11.2034042917vmin currentColor;
}
.background span:nth-child(2) {
    color: #E45A84;
    top: 33%;
    left: 45%;
    animation-duration: 13.2s;
    animation-delay: -15.6s;
    transform-origin: 14vw 17vh;
    box-shadow: 40vmin 0 10.2115006212vmin currentColor;
}
.background span:nth-child(3) {
    color: #E45A84;
    top: 90%;
    left: 55%;
    animation-duration: 14.8s;
    animation-delay: -3.5s;
    transform-origin: -18vw 9vh;
    box-shadow: -40vmin 0 12.3544421218vmin currentColor;
}
.background span:nth-child(4) {
    color: #E45A84;
    top: 7%;
    left: 88%;
    animation-duration: 15.4s;
    animation-delay: -2.6s;
    transform-origin: 21vw 14vh;
    box-shadow: -40vmin 0 5.9226682716vmin currentColor;
}
.background span:nth-child(5) {
    color: #583C87;
    top: 65%;
    left: 26%;
    animation-duration: 15.3s;
    animation-delay: -6s;
    transform-origin: 9vw -23vh;
    box-shadow: 40vmin 0 5.4289289226vmin currentColor;
}
.background span:nth-child(6) {
    color: #E45A84;
    top: 45%;
    left: 30%;
    animation-duration: 11.2s;
    animation-delay: -6.6s;
    transform-origin: -3vw 23vh;
    box-shadow: -40vmin 0 14.4480182393vmin currentColor;
}
.background span:nth-child(7) {
    color: #583C87;
    top: 40%;
    left: 95%;
    animation-duration: 10.3s;
    animation-delay: -6.6s;
    transform-origin: 6vw 1vh;
    box-shadow: -40vmin 0 5.2476920034vmin currentColor;
}
.background span:nth-child(8) {
    color: #583C87;
    top: 84%;
    left: 91%;
    animation-duration: 15.6s;
    animation-delay: -15.3s;
    transform-origin: 15vw 20vh;
    box-shadow: 40vmin 0 5.328532637vmin currentColor;
}
.background span:nth-child(9) {
    color: #FFACAC;
    top: 88%;
    left: 49%;
    animation-duration: 12.5s;
    animation-delay: -6.3s;
    transform-origin: -23vw 17vh;
    box-shadow: -40vmin 0 13.7564470826vmin currentColor;
}
.background span:nth-child(10) {
    color: #FFACAC;
    top: 4%;
    left: 16%;
    animation-duration: 11.9s;
    animation-delay: -10.2s;
    transform-origin: -4vw 13vh;
    box-shadow: 40vmin 0 13.95746731vmin currentColor;
}
.background span:nth-child(11) {
    color: #583C87;
    top: 16%;
    left: 99%;
    animation-duration: 10.4s;
    animation-delay: -9s;
    transform-origin: -3vw -5vh;
    box-shadow: -40vmin 0 11.6603526433vmin currentColor;
}
.background span:nth-child(12) {
    color: #FFACAC;
    top: 46%;
    left: 81%;
    animation-duration: 11.4s;
    animation-delay: -9.2s;
    transform-origin: 3vw -1vh;
    box-shadow: -40vmin 0 14.0594399762vmin currentColor;
}
.background span:nth-child(13) {
    color: #E45A84;
    top: 69%;
    left: 75%;
    animation-duration: 12.3s;
    animation-delay: -7.7s;
    transform-origin: 13vw -4vh;
    box-shadow: -40vmin 0 14.688619748vmin currentColor;
}
.background span:nth-child(14) {
    color: #FFACAC;
    top: 67%;
    left: 52%;
    animation-duration: 12.3s;
    animation-delay: -1.2s;
    transform-origin: 23vw -5vh;
    box-shadow: -40vmin 0 13.6204973407vmin currentColor;
}
.background span:nth-child(15) {
    color: #E45A84;
    top: 38%;
    left: 57%;
    animation-duration: 12.4s;
    animation-delay: -8.2s;
    transform-origin: 11vw 19vh;
    box-shadow: 40vmin 0 13.6934527314vmin currentColor;
}
.background span:nth-child(16) {
    color: #FFACAC;
    top: 78%;
    left: 94%;
    animation-duration: 13.4s;
    animation-delay: -13.2s;
    transform-origin: -19vw 8vh;
    box-shadow: -40vmin 0 8.3807133847vmin currentColor;
}
.background span:nth-child(17) {
    color: #E45A84;
    top: 57%;
    left: 38%;
    animation-duration: 15.5s;
    animation-delay: -12.1s;
    transform-origin: -21vw -20vh;
    box-shadow: -40vmin 0 10.8162910663vmin currentColor;
}
.background span:nth-child(18) {
    color: #FFACAC;
    top: 65%;
    left: 45%;
    animation-duration: 11.2s;
    animation-delay: -2.6s;
    transform-origin: 0vw -22vh;
    box-shadow: -40vmin 0 8.9038134634vmin currentColor;
}
.background span:nth-child(19) {
    color: #FFACAC;
    top: 18%;
    left: 39%;
    animation-duration: 11.7s;
    animation-delay: -15.9s;
    transform-origin: -24vw 11vh;
    box-shadow: 40vmin 0 7.2048026951vmin currentColor;
}
.background span:nth-child(20) {
    color: #FFACAC;
    top: 87%;
    left: 15%;
    animation-duration: 11.1s;
    animation-delay: -6.2s;
    transform-origin: -9vw -24vh;
    box-shadow: -40vmin 0 12.9500645493vmin currentColor;
}

@keyframes move {
    100% {
        transform: translate3d(0, 0, 1px) rotate(360deg);
    }
}