Feature Styles and the Effect on the Select- and ModifyFeatureControl with OpenLayers 2.12
Layers
 
Style Modification
change .style["default"]
change .style["select"]
.style["vertex"] for active layer
set selectControl selectStyle
set modifyControl virtualStyle
set StyleMap for active layer
set FeatureStyle for active layer
 
Descriptions
Style Modification Source
Style Modification Images
OpenLayers Source Snippets