body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #070519;
    box-shadow: inset 0 0 80px #000, inset 0 0 200px #000, inset 0 0 80px #000;
}

.loading {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: linear-gradient(#070519, #4A3AFF, #4361EE);
    animation: animate 2s linear infinite;
}

@keyframes animate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading span {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(#070519, #4A3AFF, #4361EE);
}

.loading span:nth-child(1) {
    filter: blur(4px);
}

.loading span:nth-child(2) {
    filter: blur(8px);
}

.loading span:nth-child(3) {
    filter: blur(16px);
}

.loading span:nth-child(4) {
    filter: blur(32px);
}

.loading:after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: #070519;
    border: solid #070519 10px;
    border-radius: 50%;
}