dropdown menu hide behind slideshow

Please open templates/xxx/xxx/xxxx.css file, find this code
Biasanya di template.css atau layout.css

.mainmenu .otmenu-desk-wrapper {
/* margin: 0px; */
font-size: 14px;
position: relative;
z-index: 1; /* menu dropdown by ibut*/

change to / rubah ke :

.mainmenu .otmenu-desk-wrapper {
/* margin: 0px; */
font-size: 14px;
position: relative;
z-index: 999; /* menu dropdown by ibut*/

Tested by me --> www.diagramtriproporsi.com