@media print {
  #frame {
    width: 100%;
  }
  
  
  #search_form {
    visibility: hidden;
  }
  
  #comment_form {
    visibility: hidden;
  }
  
  #user_comments {
    visibility: hidden;
  }
  
  #main {
    width: 100%;
  }
  
  #navigation {
    visibility: hidden;
  }
  
  #footer {
    visibility: hidden;
  }
}