#toTop {
    behavior: url(js/PIE.htc);
    position:fixed;
}

.btn__large,
#footer ul li {
    behavior: url(js/PIE.htc);
    position: relative;
}

.marker,
.blockquote-marker1,
.blockquote-marker2 {
    behavior: url(js/PIE.htc);
}