Applying a style or selecting a connector type in Creately is pretty straightforward. You can choose from straight to dashed lines and associated to crow's foot according to the object/diagram type you're drawing.
When drawing a diagram in Creately, you can set the line style and type by selecting the connector. Then change the line type, either to straight, sharp angle or curved, easily with the contextual toolbar. Please refer to the image below.
And from the top toolbar, you can use the line control to set the style to either dashed or solid.
Different Knowledge Objects support different connector types, and the connection type can be selected from the drop-down selection box on the contextual toolbar. Changing the connector type will change the look of the line and glue-point styles. For example,
Entity Relationship Diagram connector
Use Case Diagram connector