HTML and CSS use a box model, which means that page elements include margins, padding, background colors and, optionally, decorative borders. Open your HTML Web page in a text editor such as Notepad.

Open the Web page in Notepad or an HTML editor. Locate the "" tag and start an internal style sheet by adding this line between the and tags: Remove the body margins by inserting this code in the ...

4] Edit the HTML code via Notepad. The final thing we’re going to do here is to edit the code. You must learn how to do this if for some reason it has failed to work correctly when opened in ...