Hey Readers👋

Today we are going to learn about ::before and ::after pseudo elements.

Often considered as one of those topics in CSS that scares almost every beginners. The main cause behind this is the lack of good examples. As a beginner I was too scared of these pseudo classes and it was like a nightmare to me. I curated few simple and easy to understand example in this article so that anyone can understand it better. Lets get started.

What actually are ::before and ::after ?

• In CSS, these are known as pseudo elements.

A pseudo-element is used to style specified parts of an element.

For example, it can be used to:

• Style the first letter, or line, of an element

• Insert content before, or after, the content of an element

Both the ::before and ::after pseudo-elements create a child element inside an element only if you define a content property.

 .my-element::before {
    content: "";
}

.my-element::after {
    content: "";
}

The content can be any string —even an empty one but be mindful that anything other than an empty string will likely be announced by a screen reader.

Once a ::before or ::after element has been created, you can style it however you want with no limits.

Lets know more about each of the two by looking at some examples.

::before

• The ::before pseudo-element can be used to insert some content before the content of an element.

• It is inline by default.

EXAMPLE : Check the output below 👇

::after

• The ::after pseudo-element can be used to insert some content after the content of an element.

• It is inline by default.

EXAMPLE : Check the output below 👇

• Let's see some more examples to understand the use of ::before and ::after pseudo class better.

Example 1: Adding quotation marks

• One simple example of using ::before pseudo-elements is to provide quotation marks. Here we use both ::before and ::after to insert quotation characters.

HTML 👇

<p>
<q>Some quotes</q>, he said, <q>are better than none.</q>
</p>

CSS 👇

q::before {
  content: "«";
  color: blue;
}

q::after {
  content: "»";
  color: red;
}

Check the Output Below 👇

Example 2 : Gradient Borders

HTML👇

<div class = "gradient-border"</div>

CSS 👇

.gradient-border {
width: 500px; 
height: 300px;
margin: 10px;
background-color: #111;
position: relative;
}

.gradient-border::before{
content: " " ;
position: absolute;
z-index: -1;
top: -20px;
left: -20px;
bottom: -20px;
right:-20px;
background-image: linear-gradient(#ff7a00, #ff1a00);
}

Check the Output below 👇

The End

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