Input css file in html

CSS stands for Cascading Style Sheets.

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CSS saves a lot of work. It can control the layout of multiple website pages all at once.


What is CSS?

Cascading Style Sheets (CSS) is used to format the layout of a webpage.

With CSS, you can control the color, fonts, the kích cỡ of text, the spacing between elements, how elements are positioned và laid out, what background images or background colors are lớn be used, different displays for different devices & screen sizes, & much more!


Tip: The word cascading means that a style applied to a parent element will also apply khổng lồ all children elements within the parent. So, if you phối the color of the body toàn thân text lớn "blue", all headings, paragraphs, and other text elements within the body toàn thân will also get the same color (unless you specify something else)!


Using CSS

CSS can be added to lớn HTML documents in 3 ways:

Inline - by using the style attribute inside HTML elements Internal - by using a

This is a heading

This is a paragraph.


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External CSS

An external style sheet is used to define the style for many HTML pages.

To use an external style sheet, add a links to lớn it in the section of each HTML page:


Example


 

This is a heading

This is a paragraph.


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The external style sheet can be written in any text editor. The file must not contain any HTML code, và must be saved with a .css extension.

Here is what the "styles.css" tệp tin looks like:


"styles.css":


body toàn thân h1 p

Tip: With an external style sheet, you can change the look of an entire website site, by changing one file!


CSS Colors, Fonts and Sizes

Here, we will demonstrate some commonly used CSS properties. You will learn more about them later.

The CSS color property defines the text color to be used.

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The CSS font-family property defines the phông to lớn be used.

The CSS font-kích cỡ property defines the text kích thước lớn be used.


Example

Use of CSS color, font-family & font-form size properties:


This is a heading

This is a paragraph.


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CSS Border

The CSS border property defines a border around an HTML element.

Tip: You can define a border for nearly all HTML elements.


Example

Use of CSS border property: 


p
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CSS Padding

The CSS padding property defines a padding (space) between the text và the border.


Example

Use of CSS border & padding properties:


p
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CSS Margin

The CSS margin property defines a margin (space) outside the border.


Example

Use of CSS border và margin properties:


p
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Link lớn External CSS

External style sheets can be referenced with a full URL or with a path relative sầu khổng lồ the current web page.


Example

This example uses a full URL khổng lồ links lớn a style sheet:



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Example

This example links lớn a style sheet located in the html folder on the current web site: 



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Example

This example links lớn a style sheet located in the same thư mục as the current page:



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You can read more about file paths in the chapter HTML File Paths.


Chapter Summary

Use the HTML style attribute for inline styling Use the HTML

My Home Page


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HTML Style Tags

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