Different div classes
Jamroom Developers
You can call any div anything you like
<div class="class1 class2 class3">.....Then you can use CSS to adjust those classes however you like.
.class1{
background-color: red;
}
.class2{
padding: 10px
}
.class3{
// something else
}
https://www.w3schools.com/cssref/sel_class.asp
or if you like books, Im a big fan of O'Reilly books for learning web development:
Amazon: "O'Reilly: CSS: The Definitive Guide: Visual Presentation for the Web"
https://www.amazon.com/CSS-Definitive-Guide-Visual-Presentation/dp/1449393195/ref=dp_ob_title_bk