Advanced Styling: Selectors Review

my_element_name matches <my_element_name> - It can be a nonsense element type that you made up!

.my_class matches <div class="my_class"> - Elements can have multiple classes (class="class_1 class_2") - Multiple different elements can have the same class

#my_id matches <div id="my_id"> - An element can only have one id - Only one element can have a given id