26-what-are-the-colors-of-the-nano-chat

The following version has an input color and it's using jquery css()to set the color to "hotpink".
http://jsbin.com/bukeq/1/edit

However, the input color is still unused.

1) How would you add the color property so that each message line has a custom color?

2) How about adding an image avatar for each message?