This tutorial explains, how to create animated sidebar and add content in this animated sidebar as shown in the demo.
Step 1: Enable Animated Sidebar
Navigate to:
Home 
Administration Appearance Appearance settings RuhiPro Sidebar Animated Sliding Sidebar
example.com/admin/appearance/settings/ruhipro
Step 2: Add content
Navigate to:
Home Administration Structure Block layout
example.com/admin/structure/block
Create a new Custom block or place any exiting block in Sliding Sidebar region.
Done!!