... opening tag, a closing tag, and some content between theopening and closing tags. In order to alter some properties of elements, the opening tag may carry attrib-utes, and attributes are always ... <title>, and <body> elements, and how the <html> element should carry a namespace identifier.You then met some attributes: the core attributes (class, id, and title), the ... but it was deprecated in HTML 4.1 and its use should be avoided. All of the universalattributes and UI event attributes can be used with the <ol> elements, and also a special attribute start,to...