HTML DIV Containers

<div class="class1">
<div class="class2">
<h1>Random title</h1>
<p>Random words about a random topic</p>

I often times see the above yet i do not understand the utility of the div class 2. Often times, this practice is labeled as “containers”. Whats the point of putting a second div if the first div “contains” already all the elements in question?


Here’s your post as an example.

It’s a set of containers, within a greater container.

There’s a white rectangle, which is a div, then your profile picture, another div, your username, another div, the content of your post, etc.

Dividing a block into different divs allows you to place them where you want them, style them independently of the others, etc.

Hope this makes sense and answers your question?


in my specific example, the first div is containing the second div and everything in the second div (the h1 and p). So i dont see the use of the second div.

Isn’t it redundant ?

Currently having two <div>s may be redundant as you aren’t using them, but as @ghostlovescore said, but it could make a big difference if you has a style sheet applied to the page in terms of selecting elements for placement, color, font family, etc.

For example, suppose you applied this style sheet to your current code:

body {
  background-color: #151515;

.class1 {
  margin: 15%;
  height: 100px;
  background-color: #555;

.class2 {
  background-color: #56d78e;
  text-align: center;

.h1 {
  font-family: Arial, Helvetica, sans-serif;

p {
  background-color: #555;

Now you have this:

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so class 2 overides class 1 which makes it have 2 different colored elements

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Other possibilities could be adding the margin, padding, or border properties, or adding an .onclick or .onhover property in JavaScript.

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