@import url('https://fonts.googleapis.com/css2?family=Satisfy&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Satisfy', cursive;
}
body {
    overflow: hidden;
}
section {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #f1f1f1;
}
section .box {
    position: absolute;
    width: 450px;
    height: 450px;
}
section .box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #000, transparent);
    opacity: 0.1;
    transform: rotate(45deg);
    transform-origin: left;
}
section .box .circle {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,#fff,#e4e3e8);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    z-index: 1;
}
section .box .circle::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    background: linear-gradient(315deg,#fff,#e4e3e8);
    border-radius: 50%;
}
section .box .circle h2 {
    position: absolute;
    z-index: 2;
    font-size: 4em;
    color: #ff2a2a;
    text-align: center;
}
section i {
    position: absolute;
    background: #ff2a2a;
    border-radius: 100%;
    animation: animate 5s linear infinite;
}
section i:nth-child(even) {
    background: transparent;
    border: 1px solid #ff2a2a;
}
@keyframes animate {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-2000%);
        opacity: 0;
    }
}