Using presentation styles Use presentation styles to centralize the decoration of your user interface. Defining a styleStyles can be defined to be global (for all elements), for an element in general, or for specific types of an element.Pseudo selectorsPseudo selectors can be used to apply style only when some conditions are fulfilled. Using a styleTo apply a specific style, set the style-name in the style attribute of the node representing the graphical element in the abstract user interface tree.Order of precedenceStyle definitions are applied following and order of precedence.Combining styles and style attributesSeveral styles can be combined, and style attributes can be mixed.Style attribute inheritanceA style attribute may be inherited by the descendants of a given node in the abstract user interface tree. Presentation styles in the AUI treeWhere to find presentation styles definitions in the AUI Tree?Loading presentation stylesPresentation styles are defined in an XML file with a 4st extension. In order to load the presentation styles, the runtime system needs to locate the appropriate style file.Combining TTY and style attributesTTY attributes can be specific to a form element, or can be inherited by an element from a parent node (such as the form or window).Element typesWhich AUI tree elements can get a style?