HTMLify

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #111;
}

.container {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ring {
    position: relative;
    width: 150px;
    height: 150px;
    margin: -30px;
    border-radius: 50%;
    border-left: 4px solid #1bc9f5;
    border-top: 4px solid #1bc9f5;
    animation: animate 4s linear infinite;
}

@keyframes animate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.ring:nth-child(2) {
    animation: animate2 4s linear infinite;
    animation-delay: -1s;
    border-top: 4px solid #37eb26;
    border-left: 4px solid #37eb26;
}

@keyframes animate2 {
    0% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

.ring:nth-child(3) {
    animation: animate3 4s linear infinite;
    animation-delay: -3s;
    position: absolute;
    top: -66.66px;
    border-top: 4px solid #e41db9;
    border-left: 4px solid #e41db9;
}

@keyframes animate3 {
    0% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}