uppercase letters.
Yes, nearly all pages must be in html.
You cannot. All folders must have a name otherwise it would be impossible to refer to them. You can, however, use a non-printing character to name the folder, such as a single space. However, not all operating systems will allow this.
HTML
Murder Must Advertise has 352 pages.
The King Must Die has 352 pages.
Tamburlaine Must Die has 160 pages.
The Day Must Dawn has 483 pages.
Everything That Rises Must Converge has 269 pages.
Each HTML website must use this pattern:// your head tags here// your content here: text and tags
If you are using their server space, you must pay to publish custom html.
Every HTML and XHTML page must have at least 4 elements to be considered valid by the W3C. Those elements are HTML, HEAD, BODY, and the HEAD child TITLE. Furthermore, the standards define that the there must be one and only one of both the HEAD and BODY tags, and that they must be the direct children of the HTML element. They also must come in that order (HEAD, then BODY.)
To make a video saved on a HTML work on a computer without internet, you need to point the browser to the locally saved copy of the file. The URL in this case is something like c:\myhtml\savedvideo.HTML, or whatever filesystem naming conventions your computer and browser supports. Note that any dependencies in the HTML file must also be saved on the computer, in positions with the same relative position as on the original web site.