In case you checked “Do not load any CSS file” in the plugin settings page, you must include the css classes below in your active theme.
/*
Copyright © 2013 Adobe Systems Incorporated.
Licensed under the Apache License, Version 2.0 (the “License”);
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an “AS IS” BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**/
/**************************/
/* Do not edit this part. It is part of the menu basic functioning. */
/**************************/
.accessible-megamenu .accessible-megamenu-top-nav-item {
position: relative;
display: block;
list-style: none;
float: left;
}
.accessible-megamenu :focus {
}
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup] {
position: relative;
display: block;
z-index: inherit;
}
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup]:hover,
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup]:focus {
}
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup]:hover,
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup]:focus,
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup].open {
z-index: 1002;
}
.accessible-megamenu .accessible-megamenu-top-nav-item a[aria-haspopup].open {
}
.accessible-megamenu .accessible-megamenu-top-nav-item:first-child a[aria-haspopup] {
}
.accessible-megamenu .accessible-megamenu-top-nav-item:first-child a[aria-haspopup].open {
}
.accessible-megamenu .accessible-megamenu-panel {
position: absolute;
display: block;
cursor: default;
visibility: hidden;
top: -9999em;
/*max-height: 0px;*/
overflow: hidden;
opacity: 0;
}
.accessible-megamenu .accessible-megamenu-panel.open {
visibility: visible;
top: 3em;
opacity: 1;
z-index: 1001;
}
/* Next is for overriding .main-navigation ul ul if present */
.accessible-megamenu-panel .sub-list-0 {
left: 0;
position: relative;
display: flex;
}