You are not required to specify colours and fonts when making a web page, and I recommend that in most cases you don't; only specify the language and whether or

You are not required to specify colours and fonts when making a web page, and I recommend that in most cases you don't; only specify the language and whether or not it is fixpitch/bold/italic/underline/strikeout. Don't impose your width either; let the user use the width of the window (they can resize if they don't like it).