Update docs

packages/mermaid/src/docs/syntax/classDiagram.md

@@ -145,7 +145,7 @@ class BankAccount{
 
 Members can be defined using generic types, such as `List<int>`, for fields, parameters, and return types by enclosing the type within `~` (**tilde**). **Nested** type declarations such as `List<List<int>>` are supported.
 
-Generics can be represented as part of a class definition and also in the parameters or the return value of a method/function:
+Generics can be represented as part of a class definition and also in the parameters or the return value of a method/function (note that any references to the class later in diagram code is used without the type )
 
 ```mermaid-example
 classDiagram
@@ -520,7 +520,28 @@ Beginner's tip—a full example using interactive links in an HTML page:
 
 ### Styling a node
 
-It is possible to apply specific styles such as a thicker border or a different background color to individual nodes. This is done by predefining classes in css styles that can be applied from the graph definition using the `cssClass` statement or the `:::` short hand.
+It is possible to apply specific styles such as a thicker border or a different background color to a node.
+
+```mermaid-example
+classDiagram
+  class Animal
+  class Mineral
+  style Animal fill:#f9f,stroke:#333,stroke-width:4px
+  style Mineral fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+```
+
+```mermaid
+classDiagram
+  class Animal
+  class Mineral
+  style Animal fill:#f9f,stroke:#333,stroke-width:4px
+  style Mineral fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+```
+
+#### Classes
+
+More convenient than defining the style every time is to define a class of styles and attach this class to the nodes that
+should have a different look. This is done by predefining classes in css styles that can be applied from the graph definition using the `cssClass` statement or the `:::` short hand.
 
 ```html
 <style>