Complex sentence: The default format for user pages is the "article format", using standard headings, paragraphs, bulleted lists, etc. But an article-styled user page need not look drab and is more than adequate for presenting information about yourself.
Split into simpler sentences: The default format for user pages is the "article format". That is, standard headings, paragraphs, bulleted lists, etc. But an article-styled user page need not look drab, and is more than adequate for presenting information about yourself.