@keyframes visibility-anim {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

.fade-in-once {
  opacity: 0;
  animation: visibility-anim 0.4s ease 0.1s forwards;
}

.outer-circle {
    width: 2rem;
    height: 2rem;
    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, rgba(80,80,80,0.3), rgb(80,80,80));
    position: absolute;
    z-index: -1;
    margin: auto;
    top: -0.3rem;
    bottom: -0.3rem;
    left: -0.3rem;
    right: -0.3rem;
    animation: circle-anim 0.6s linear infinite;
}

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