.api-loading__box.visible {
    display: flex;
}

.api-loading__box {
    position: fixed;
    z-index: 99999;
    top: 0;
    left: 0;

    display: none;

    width: 100%;
    height: 100%;

    background: rgba(255, 255, 255, .85);

    align-items: center;
}

.api-loading__spinner {
    position: relative;

    margin: 5em auto;

    transform: translateZ(0);
    animation: rotateLoadingSpinner 1s infinite cubic-bezier(0.65, 0.31, 0.4, 0.71);

    border: .7em solid rgba(53, 182, 222, .2);
    border-left: .7em solid rgb(53, 182, 222);
    background: rgba(255,255,255,.3);
    box-shadow: 0 0 0 .5em rgba(255,255,255,.3);
}

.api-loading__spinner,
.api-loading__spinner:after {
    width: 5em;
    height: 5em;

    border-radius: 50%;
}

.api-loading__spinner-small {
    width: 3em;
    height: 3em;
    margin: 1em auto;

    border-width: .3em;
}

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

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