For making eyes more comfortable during web surfing, with the extension you can change the background color from white to a warm color for most webpages. Just double click any region where you want to change color in a webpage.
* Some webpages whose content color can not be changed because they may be defended with high security and not allow general script to change them.
v1.1 - Urls support ftp now.
v1.2 - More areas can be changed.