They may appear in any order. Attribute names are always case-insensitive.
Attribute values are generally case-insensitive.
No special line breaking effects are applied relative to the floating element. LEFT Breaks line and moves down vertically until there is a clear left margin. ALL Breaks line and moves down vertically until both margins are clear of images. In addition to the specific attributes above, there are more generic attributes which have been organized into three separate categories. Facilitate multi-language support.