Some common task to learn are :
1.Slideshow
2.Login Form
3.Create An Accordion
4.Hover Dropdowns
5.Click Dropdowns
6.Side Navigation
7.Fixed Sidebar
8.Modal Box
9.Modal Image
10.Lightbox
11.Slideshow Gallery
12.Image Hover Overlay
13.Tabs
14.Vertical Tabs
15.Tab Image Gallery
16.Alert Buttons
18.Outline Buttons
19.Top Navigation
20.Responsive Top Navigation
21.Fullscreen Navigation
22.Login Form in Navbar
23.Change Background on Scroll