body.preloader {
    overflow: hidden !important;
}

.preloader nav,
.preloader header,
.preloader main,
.preloader footer,
.preloader .modal.show {
    -webkit-filter: blur(2px);
    filter: blur(2px);
    pointer-events: none;
}

nav,
header,
main,
footer {
    -webkit-filter: blur(0px);
    filter: blur(0px);
    -webkit-transition: -webkit-filter .5s ease;
    transition: -webkit-filter .5s ease;
    -o-transition: filter .5s ease;
    transition: filter .5s ease;
    transition: filter .5s ease, -webkit-filter .5s ease;
}