/**
fix the position of menu when drupal toolbar is present
*/
body.toolbar-horizontal.sub-menu-open #main-header,
body.toolbar-vertical.sub-menu-open #main-header {
    top: 39px;
}

body.toolbar-horizontal.toolbar-tray-open.sub-menu-open #main-header {
    top: 80px;
}

body.toolbar-vertical .main-sub-menu,
body.toolbar-horizontal .main-sub-menu,
body.toolbar-horizontal.toolbar-tray-open .main-sub-menu {
    top: 122px;
}