#content-container

Essentially, the container that holds all the content except for the header.

The following illustrations show:

  1. The #content-container style before applying CSS changes.
  2. The #content-container style after the border property has been changed to a10-point solid green line.
Default CSS Modified CSS
#content-container{
 padding: 25px 0 0 0;
}
#content-container {
 padding: 25px 0 0 0;
 border: 10px solid green;
}