Bootstrap Wells
If you need an embedded effect on your page, in Bootstrap you only need to use the .well class. Here is an example:
<div class="well">Hi, I'm in a well!!</div>
The example displays as follows:
Size
By using well-lg or well-sm, you can set the size of the well. These optional modifier classes control the padding and border-radius. Here is an example:
<div class="well well-lg">Hi, I'm in a large well!!</div>
<div class="well well-sm">Hi, I'm in a small well!!</div>
The example displays as follows: