&
<!-- Answer to: "html special characters" --> ! ! [ [ [ _ _ ` ` ` | | | | } } } ¢ ¢ <!-- There's many more at https://dev.w3.org/html5/html-author/charref -->
&entity_name; OR &#entity_number;
# in CSS means your looking at an ID so <div class="ExampleClass" id="ExampleID"></div> #ExampleID would reference the ID .ExampleClass would reference the class