#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.3);
    display: grid;
    place-items: center;
    z-index: 9999;
}

.loader {
    --color: white;
    --size-mid: 6vmin;
    --size-dot: 1.5vmin;
    --size-bar: 0.4vmin;
    --size-square: 3vmin;
    display: block;
    position: relative;
    width: 50%;
    display: grid;
    place-items: center;
}


.loader.--1::before,
.loader.--1::after {
    content: '';
    box-sizing: border-box;
    position: absolute;
}

.loader.--1::before {
    width: var(--size-mid);
    height: var(--size-mid);
    border: 4px solid var(--color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: loader-1 1s linear infinite;
}

.loader.--1::after {
    width: calc(var(--size-mid) - 2px);
    height: calc(var(--size-mid) - 2px);
    border: 2px solid transparent;
    border-top-color: var(--color);
    border-radius: 50%;
    animation: loader-1 0.6s linear reverse infinite;
}


.loader.--2::before,
.loader.--2::after {
    content: '';
    box-sizing: border-box;
    position: absolute;
}

.loader.--2::before,
.loader.--2::after {
    width: var(--size-dot);
    height: var(--size-dot);
    background-color: var(--color);
    border-radius: 50%;
    opacity: 0;
    animation: loader-2 0.8s cubic-bezier(0.2, 0.32, 0, 0.87) infinite;
}

.loader.--2::after {
    animation-delay: 0.3s;
}

@keyframes loader-2 {

    0%,
    80%,
    100% {
        opacity: 0;
    }

    33% {
        opacity: 1;
    }

    0%,
    100% {
        transform: translateX(-4vmin);
    }

    90% {
        transform: translateX(4vmin);
    }
}


@keyframes loader-1 {
    100% {
        transform: rotate(1turn);
    }
}