AbroadPal

Notification Widget offers you the ability to insert and fully customize an overlay widget for your website, blog, etc.
You can easily change all settings of the entire overlay in the Dashboard. 
There are the following settings for you to change:
Overlay Style: 
– colors of bar and content frame background 
– text of the content frame and bar
Overlay Layout: 
– distance of the close button to the borders 
– size of the close button 
– height of the bar 
– height and width of the content frame 
– widget position (X- and Y-axis)

Notification Widget

Notification Widget is a overlay allowing you to get a individual overlay for your website.

tranhoang

Adding Share Buttons as Overlay on YouTube Videos 
Embed youtube with shortcode 
Show share facebook, tweet when hover to YouTube video

YouTube Share Overlay Buttons

Work ok

Adding Share Buttons as Overlay on YouTube Videos

Notification Widget vs YouTube Share Overlay Buttons