They may appear in any order. Attribute names are always case-insensitive.
Attribute values are generally case-insensitive.
It allows content to stop being flowed around the floated element. This attribute specifies whether or not the content of the element will use normal HTML linebreaking conventions. If False, normal linebreaking behavior is used. If set to True, the element will not wrap to the rendering viewport unless explicit linebreaking elements are added. In addition to the specific attributes above, there are more generic attributes which have been organized into three separate categories.