/* Page Wrapper + Menu */
#page-wrapper {
@include vendor('transition', 'opacity #{_duration(menu)} ease');
opacity: 1;
padding-top: 3em;
&:before {
background: rgba(0,0,0,0);
content: '';
display: block;
display: none;
height: 100%;
left: 0;
position: fixed;
top: 0;
width: 100%;
z-index: _misc(z-index-base) + 1;
}