<!-- vertical space -->     <!--horizontal space --> <br/>
<!-- 1 space -->   <!-- tab; 2 space -->   <!-- tab; 4 space -->
non-breaking space = < less than = < > greater than = > & ampersand = &
<br/>
HTML Entities - W3Schoolswww.w3schools.com › html › html_entities
# 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