*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
section{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #0c1b21;
}
.loader{
    position: relative;
    width: 250px;
    height: 250px;
    filter: url(#gooey);
    animation: animate 16s linear infinite;
}
.loader span{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    transform: rotate(calc(45deg * var(--i)));
}
.loader span::before{
    content: '';
    position: absolute;
    top: 0;
    left: calc(50% - 20px);
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg,#c7eeff,#03a9f4);
    border-radius: 50%;
    box-shadow: 0 0 30px #00bcd4;
}
.rotate{
    animation: animate 4s ease-in-out infinite;
    animation-delay: calc(-0.2s * var(--j));
}
@keyframes animate{
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(360deg);
    }
}
svg{
    width: 0;
    height: 0;
}