The Syd Lexia indent
In HTML code, no command exists for an indent. As a result, the coder is left to devise their own means of indenting. On SydLexia.com, the official indent is six nonbreaking spaces. In the source code, these spaces appear as such:
Why six, you ask? Well, why the fuck not? Six spaces looks to be about how far Microsoft Word indents when you press the Tab key, so that's what Syd went with.