ranahusam i want to add image in backround as seen in menu dropdown in S5 Campus life.....how
Taking demo site into consideration, You can try add this to custom.css file :
.s5_sub_wrap{background-image: url(../images/menu_image.png) !important;background-color: #357797 !important;}
and change background image path and color accordingly however to assist precisely, live site link will be needed
Finding custom.css and you may create a new file with similar name (if it doesnt exist) ::
Shape 5 templates ship with an empty custom.css file in the /css/ subdirectory of your template. Simply add your styles to this file and they will be included in your layout.
Kindly ensure to clear your browser cache if changes dont reflect