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W3.CSS is a modern CSS framework with built-in responsiveness:

vitorlans/w3-css

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README.md

W3.CSS is a modern CSS framework with built-in responsiveness:

• Smaller and faster than other CSS frameworks.
• Easier to learn, and easier to use than other CSS frameworks.
• Uses standard CSS only (No jQuery or JavaScript library).
• Speeds up and simplifies web development.
• Supports modern responsive design (mobile first) by default.
• Provides CSS equality for all browsers. Chrome, Firefox, IE, Safari, and more.
• Provides CSS equality for all devices. PC, laptop, tablet, and mobile:
• Type some Markdown on the left
• See HTML in the right
• Magic

Lastest Version (Version 4) import 'w3-css/w3.css'; Version 3 import 'w3-css/3/w3.css'; W3.CSS - Pro import 'w3-css/4/w3pro.css'; W3.CSS - Mobile import 'w3-css/4/w3mobile.css'; 

And to you know about the different among versions see the link https://www.w3schools.com/w3css/w3css_versions.asp

About

W3.CSS is a modern CSS framework with built-in responsiveness:

Источник

W3.CSS Downloads

To use W3.CSS, just add a link to «w3.css» in your web pages:

Example

Or download w3.css and run it from your own web site:

Example

If you put w3.css in a subfolder, add the folder name between slashes:

Example

If you place w3.css at the root of your web, add a slash:

Example

Changelog

Download version 4.13 from this link: https://www.w3schools.com/w3css/4/w3.css

Ver	Date	Description
4.15	12/2020	Supplemented w3-serif with w3-sans-serif w3-cursive w3-monospace
4.14	11/2020	Supplemented w3-padding with w3-padding-top-64 w3-padding-top-48 w3-padding-top-32 w3-padding-top-24
4.13	06/2019	Adapted to minor changes in Normalize.css
4.12	11/2018	Added w3-stretch
4.11	10/2018	Added w3-auto Changed margin:auto to margin-left:auto and margin-right:auto in w3-content
4.10	02/2018	Added «outline:0» to w3-bar-item in w3-bar and w3-bar-block
4.09	12/2017	Removed «outline:0» from buttons
4.08	10/2017	Added «z-index:1» to w3-dropdown-content
4.07	08/2017	Added «vertical-align:middle» to images
4.06	08/2017	Added version 3 color classes to borders, hoverable borders and hoverable text
4.05	06/2017	Added «display:block» to w3-responsive
4.04	04/2017	Added «float:none» to w3-bar-item inside w3-bar-block
4.03	03/2017	Corrected a minor bug in «w3-col m3»
4.02	03/2017	Added version 3 text colors
4.01	03/2017	Lightened the color gray/grey Fixed some border color errors
4.0	02/2017
3.0	01/2017
2.0	02/2016
1.0	05/2015

GitHub Repositiory

Validating W3.CSS

Validating W3.CSS might return some errors.

You will often get some errors when you run W3C validations.
There will always be some browser specific values outside the current W3C specification.

Property	Description
pointer-events	Invalid property in CSS3, but suggested for CSS4. Used in W3.CSS to remove hand pointer from disabled elements.
user-select	Invalid property in CSS3, but suggested for CSS4. Used in W3.CSS to remove text selection from clickable elements.
pseudo-class :valid	Invalid value in CSS3, but suggested for CSS4. Used in W3.CSS to indicate valid input.
@-webkit-keyframes	Added to W3.CSS to make animations work in webkit browsers (older versions of Chrome, Safari, and Opera).

Customize W3.CSS

W3.CSS includes basic fonts and font sizes.

You can customize W3.CSS by changing these settings:

Example

html <
font-family: Verdana, sans-serif;
font-size: 15px;
line-height: 1.5;
font-weight: normal;
>

h1, h2, h3, h4, h5, h6 font-family: «Segoe UI», Verdana, sans-serif;
font-weight: 400;
line-height: 1;
margin: 20px 0;
>

hr height: 0;
border: 0;
border-top: 1px solid #eee;
margin: 20px 0;
>

W3.CSS is Normalized

Normalizing a style sheet is done to:

• Correct browser bugs
• Remove browser inconsistencies
• Assure common browser defaults
• Normalize the styles of all HTML elements
• Add CSS improvements

An extract from Normalize.css is used in W3.CSS.

This makes W3.CSS display HTML consistently in all browsers, and in line with modern web standards.

Источник

W3.CSS Tutorial

W3.CSS is a modern, responsive, mobile first CSS framework.

W3.CSS provides equality for all browsers: Chrome. Firefox. Edge. IE. Safari. Opera.

W3.CSS provides equality for all devices: Desktop. Laptop. Tablet. Mobile.

W3.CSS is standard CSS only (No jQuery or JavaScript library).

Example

«Make it as simple as possible, but not simpler.»
Albert Einstein

W3.CSS is Free

W3.CSS is free to use. No license is necessary.

How To

To use W3.CSS in your web site, just add a link to «w3.css» from your web pages:

Example

Or download w3.css from w3css_downloads and add a link to w3.css:

Example

W3.CSS Crash Course

How to create web page that looks nice on all devices (desktop, laptop, tablet, and phone).

W3.CSS Web Site Templates

We have created some responsive W3CSS templates for you to use.

You are free to modify, save, share, use or do whatever you want with them:

Catering Template

Portfolio Template

Marketing Template

Cafe Template

Wedding Template

Food Template

User Examples

IEEE WCNEE 2019
3rd IEEE International Workshop on Wireless Communications and Networking in Extreme Environments

COLOR PICKER

Report Error

If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:

Thank You For Helping Us!

Your message has been sent to W3Schools.

Top Tutorials

Top References

Top Examples

Get Certified

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Источник

Using a CSS Stylesheet

To use the stylesheet you must add a class to the HTML elements you want to style:

This is a Heading

This is a paragraph.

This is another paragraph.

HTML / CSS Skeleton

Click on the «Try it Yourself» button to see how it works!

Try to change the background color of the container from teal to black.

Congratulations!

You have just learned the basics of using a style sheet.

How to Be Responsive

HTML Code

How to Create a Card

Ready for something really advanced?

How about a Business Card in HTML?

Including both image and text.

Play with the code below for a while, until you think you got a grip on it.

After that, we will start coding really fantastic HTML pages.

HTML Code

COLOR PICKER

Report Error

If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:

Thank You For Helping Us!

Your message has been sent to W3Schools.

Top Tutorials

Top References

Top Examples

Get Certified

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Источник