What is CSS? Also Write it types

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Short Answer

CSS stands for Cascading Style Sheets. It styles web pages. CSS makes text look good, adds colors, and arranges things on a page. There are three main types of CSS: Inline, Internal, and External.

  • Inline CSS goes right in an HTML tag. It only styles that one thing.
  • Internal CSS sits inside the <style> tag in an HTML document. It styles things in that document only.
  • External CSS is in a separate file. You link to it from an HTML document. It can style many pages at once.

CSS lets websites look nice and work well on different devices. It keeps web pages easy to manage, too.

Detailed Answer

CSS, or Cascading Style Sheets, is a language that makes web pages look better. It handles the look and layout. CSS can change fonts, colors, spacing, and how elements sit on a page. Let’s dive into the types of CSS.

1. Inline CSS

Inline CSS adds style directly to an HTML element. You use the style attribute for this. It’s quick for small changes. Yet, it’s not the best for big websites. It makes HTML messy and hard to change.

For example:

<p style="color: red;">This text is red.</p>

This code makes one paragraph of text red.

2. Internal CSS

Internal CSS uses the <style> tag in the HTML <head>. It styles elements in one document. It’s better for small websites or single pages. This way keeps HTML and CSS together but can still get messy for big sites.

For example:

<head>
<style>
  body { background-color: lightgreen; }
  p { color: green; }
</style>
</head>

This styles all paragraphs green in one document.

3. External CSS

External CSS is the most used. It keeps CSS in a separate file. This file ends in .css. You link this file to your HTML. This method is clean and efficient. It’s great for big websites because you can change the look of many pages by editing one file.

Like this:

/* style.css */
body {
  background-color: lightgray;
}
p {
  color: darkred;
}

And in HTML:

<head>
<link rel="stylesheet" href="style.css">
</head>

This links the HTML document to the CSS file.

Why Use CSS?

CSS makes web pages look good across different devices and screen sizes. It separates content from design. This makes websites easier to maintain and faster to load.

With CSS, you can also create responsive designs. This means your website can adjust to look good on phones, tablets, and computers. CSS frameworks like Bootstrap make this even easier.

In summary, CSS is vital for creating attractive, efficient, and responsive websites. Whether you’re making a small personal project or a large professional site, understanding and using CSS effectively will greatly enhance your web development skills.