8.6.4 Styles

Styles are packages of attribute definitions with a name. Applying a style to any element can be easily done by simply stating the name of the style whereever an attribute is allowed. See in the example below, how the strong and weak styles are applied to entities.

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For signalling charts styles can contain any of the attributes listed in Signalling Chart Attributes and Styles. For graphs any graphviz attribute can be part of a style. For block diagrams, the applicable attributes are listed in Block Attributes and Arrows in Block Diagrams. If a style contains an attribute not applicable for the element that you apply the style to, that attribute is simply ignored. For example, applying a style with fill.color=red attribute setting to an arrow, will ignore this attribute since arrows take no fill attributes.

You can define your own styles or redefine existing ones. See Defining Styles for more on this.