.foo-menu {
position: relative;
z-index: 1000 !important;
}
.menu-active {
.am-flexbox-dir-column .am-flexbox-item{
min-width:auto!important;
}
}
.menu-mask {
content: ' ';
position: absolute;
top: 0;
width: 100%;
height: 100%;
background-color: #000;
opacity: 0.4;
z-index: 79;
}