Install a Border, Background, Scroll to the blog widget

display the label and blog archive on the blog too long. want to install a border, background, and make the scroll effect. the following way:

1. log in your blog
2. select design - edit html
3. check expand widget templates
4. find  

]]></ b: skin> 

by pressing Ctrl + F
5. Copy the following code above it

# BlogArchive1. Widget-content

{height: 250px; 

width: auto; 

overflow: auto; 

background: # 000000; 

border: solid 

}

6. save template

note:
- To apply to other widgets, replace "BlogArchive1" with "Label1" or "Followers1"
- Solid = can be changed by any other border. see the type of border here >> Border Type
- The blue text can be replaced