html, body {
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
}
html body .uk-background-cover {
    background-position: center;
    height: 100vh;
}
html body > div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    text-align: center;
}
html body > div:first-child:before {
    content: ' ';
    display: block;
    background-color: rgba(0,0,0,.68);
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}
html body #logo-container > img {
    width: 90%;
    max-width: 360px;
}
html [uk-img][data-src=""],
html [data-src][src*='data:image'] {

    background: linear-gradient(230deg, #222222, #999999, #cccccc, #222222);
    background-size: 800% 800%;

    -webkit-animation: bgWaitingImage 6s ease infinite;
    -moz-animation: bgWaitingImage 6s ease infinite;
    animation: bgWaitingImage 6s ease infinite;

}

html body button.uk-button-brand {
    line-height: 1;
    padding: 0;
    width: 120px;
    height: 120px;
}
html body button.uk-button-brand i {
    display: block;
    font-size: 36px;
    position: absolute;
    left: 50%;
    top: 25%;
    transform: translateX(-50%);
}
html body button.uk-button-brand span {
    display: block;
    margin-top: 5px;
    font-weight: 500;
    position: absolute;
    left: 50%;
    top: 60%;
    transform: translateX(-50%);
}
html body button.uk-button-brand span small {
    display: block;
    margin-top: 2px;
}

html.uk-modal-page #container-app,
html.swal2-shown #container-app {
    filter: blur(3px);
    -webkit-filter: blur(3px);
}

@-webkit-keyframes bgWaitingImage {
    0%{background-position:0% 90%}
    50%{background-position:100% 11%}
    100%{background-position:0% 90%}
}
@-moz-keyframes bgWaitingImage {
    0%{background-position:0% 90%}
    50%{background-position:100% 11%}
    100%{background-position:0% 90%}
}
@keyframes bgWaitingImage {
    0%{background-position:0% 90%}
    50%{background-position:100% 11%}
    100%{background-position:0% 90%}
}