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

.outer-circle {
    width: 33px;
    height: 33px;
    background-color: #fff;
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
}

.inner-circle {
    border-radius: inherit;
    background-image: conic-gradient(#fff, rgb(99, 81, 159), rgb(99, 81, 159));
    position: absolute;
    z-index: -1;
    margin: auto;
    top: -4px;
    bottom: -4px;
    left: -4px;
    right: -4px;
    animation: circle-anim 1s linear infinite;
}

@keyframes circle-anim {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}