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

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

.box {
    width: 500px;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    top: 300px;
}

.circle {
    width: 250px;
    height: 250px;
    border: 4px solid transparent;
    border-radius: 50%;
}

:nth-child(2) {
    position: absolute;
    margin-top: -250px;
}

.box :nth-child(1)::before,
.box :nth-child(2)::before,
.box :nth-child(3)::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    top: 20px;
}

.box :nth-child(1)::before {
    background-color: #93ff2d;
    box-shadow: 0px 0px 0px 5px #93ff2d33, 0px 0px 0px 10px #93ff2d22, 0px 0px 0px 15px #93ff2d11;
    right: 25px;
}

.box :nth-child(2)::before {
    background-color: #24ecff;
    box-shadow: 0px 0px 0px 5px #24ecff33, 0px 0px 0px 10px #24ecff22, 0px 0px 0px 15px #24ecff11;
    right: 200px;
    top: 25px;
}

.box :nth-child(3)::after {
    background-color: #e41cf8;
    box-shadow: 0px 0px 0px 5px #e41cf833, 0px 0px 0px 10px #e41cf822, 0px 0px 0px 15px #e41cf811;
    left: 20px;
}

.box :nth-child(1) {
    animation: animate1 4s linear infinite;
    border-top: 5px solid #93ff2d;
    animation-delay: -1s;
}

.box :nth-child(2) {
    left: 60px;
    animation: animate1 4s linear infinite;
    border-left: 5px solid #24ecff;
}

.box :nth-child(3) {
    position: relative;
    left: -125px;
    animation: animate3 4s linear infinite;
    animation-delay: -15s;
    border-top: 5px solid #e41cf8;
}

@keyframes animate1 {
    0% {
        transform: rotate(0deg);
    }

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

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

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