* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #000;
}

svg {   
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

polygon {
    fill: none;
    stroke: #e505a6;
    stroke-width: 16;
    transform-origin: center center;
    animation: move 10s linear infinite;
    animation-delay: calc(var(--i) * -.5s);
}

@keyframes move {
    0%
    {
        transform: scale(0) rotate(0);
        opacity: 1;
    }
    100%
    {
        transform: scale(3) rotate(45deg);
        opacity: 0;
    }
}