.uc-topmenu .tmenu-mobile_positionfixed {
    background-color: rgba(0,0,0,0) !important;
}
.uc-topmenu .tmenu-mobile_opened {
    background-color: rgba(0,0,0,0.5) !important;
}
.uc-topmenu .tmenu-mobile__menucontent_fixed {
    /* background-color: rgba(0,0,0,0.5) !important; */
}