body.preloader_on {
    overflow: hidden;
}
.preloader_wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    background: #fff;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    opacity: 1;
    z-index: 999999;
}
.preloader_wrap.preloader_off {
    opacity: 0;
    z-index: -10;
}
.preloader {
    display: block;
    position: relative;
    max-width: 300px;
    -webkit-transition: all 1s;
    transition: all 1s;
}
.preloader_wrap.preloader_off .preloader {
    transform: scale(5);
}
.preloader_logo {
    position: relative;
}
.preloader_logo_filter {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    -webkit-backdrop-filter: grayscale(100%);
    backdrop-filter: grayscale(100%);
    animation: preloader-filter 2s linear;
}
.preloader_logo_filter:after {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    opacity: 0.5;
}
.preloader_logo img {
    width: 100%;
    max-width: 100%;
}
.preloader_percent {
    position: relative;
    width: 100%;
    font-size: 2rem;
    text-align: center;
    margin-top: 2rem;
}
@keyframes preloader-filter {
    0%   {
        width: 100%;
    }
    100% {
        width: 0;
    }
}
@-webkit-keyframes preloader-filter {
    0%   {
        width: 100%;
    }
    100% {
        width: 0;
    }
}
@-moz-keyframes preloader-filter {
    0%   {
        width: 100%;
    }
    100% {
        width: 0;
    }
}

@-ms-keyframes preloader-filter {
    0%   {
        width: 100%;
    }
    100% {
        width: 0;
    }
}
@-o-keyframes preloader-filter {
    0%   {
        width: 100%;
    }
    100% {
        width: 0;
    }
}