.aha_fader{
    position: fixed;
    /* width: 100%; */
    /* height: 100px; */
    display: block;

    opacity: 0;
    z-index: -1;
    transition: all 0.3s;
}
.aha_fader.js-visible{
    opacity: 1;
    z-index: 999999;
    /* top: 0; */
    transition: all 0.5s;
}

#header.aha_fader.js-visible{
    opacity: 0;
    z-index: -1;
    /*top:0;*/
    transition: all 0.3s;

}
body.js-start #header.aha_fader.js-visible{
    opacity: 1;
    z-index: 999999;
    top: 0;
    transition: all 0.5s;
}
body.js-start #header.aha_fader{
    top: -50px;
}