changed list style from star (*) to dash (-)

Author: christophervoigt

README.md

@@ -71,15 +71,15 @@ Finally, properties are what give the selected elements of a rule declaration th
 
 ### Formatting
 
-* Use soft tabs (2 spaces) for indentation.
-* Prefer dashes over camelCasing in class names.
-  * Underscores and PascalCasing are okay if you are using BEM (see [OOCSS and BEM](#oocss-and-bem) below).
-* Do not use ID selectors.
-* When using multiple selectors in a rule declaration, give each selector its own line.
-* Put a space before the opening brace `{` in rule declarations.
-* In properties, put a space after, but not before, the `:` character.
-* Put closing braces `}` of rule declarations on a new line.
-* Put blank lines between rule declarations.
+- Use soft tabs (2 spaces) for indentation.
+- Prefer dashes over camelCasing in class names.
+  - Underscores and PascalCasing are okay if you are using BEM (see [OOCSS and BEM](#oocss-and-bem) below).
+- Do not use ID selectors.
+- When using multiple selectors in a rule declaration, give each selector its own line.
+- Put a space before the opening brace `{` in rule declarations.
+- In properties, put a space after, but not before, the `:` character.
+- Put closing braces `}` of rule declarations on a new line.
+- Put blank lines between rule declarations.
 
 **Bad**