body:not(.hideSpinner):not(.entrance-protection-wrapper) {
    overflow: hidden;
}

body:not(.hideSpinner):not(.entrance-protection-wrapper)::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f5f4f4;
    z-index: 999990;
}

body:not(.hideSpinner):not(.entrance-protection-wrapper)
    .overall-wrapper::before {
    content: '';
    display: block;
    z-index: 999991;
    position: absolute;
    left: 50%;
    top: 50%;
    color: #eb7717;
    font-size: 20px;
    width: 0.7em;
    height: 0.7em;
    border-radius: 50%;
    text-indent: -9999em;
    animation: loader 1.3s infinite linear;
    transform: translateZ(0) transform(-50%, -50%);
}

body:not(.hideSpinner):not(.entrance-protection-wrapper)
    .overall-wrapper::after {
    content: 'Načítám…';
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 100px);
    z-index: 999991;
}

@keyframes loader {
    0%,
    100% {
        box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 2em 2em 0 -1em,
            0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 0;
    }

    12.5% {
        box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 2em 2em 0 -1em,
            0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    }

    25% {
        box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 2em 2em 0 0,
            0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    }

    37.5% {
        box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 2em 2em 0 0.2em,
            0 3em 0 0em, -2em 2em 0 -1em, -3em 0em 0 -1em, -2em -2em 0 -1em;
    }

    50% {
        box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 0em,
            0 3em 0 0.2em, -2em 2em 0 0, -3em 0em 0 -1em, -2em -2em 0 -1em;
    }

    62.5% {
        box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em,
            0 3em 0 0, -2em 2em 0 0.2em, -3em 0 0 0, -2em -2em 0 -1em;
    }

    75% {
        box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em,
            2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0.2em,
            -2em -2em 0 0;
    }

    87.5% {
        box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em,
            0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0, -2em -2em 0 0.2em;
    }
}