CSS (4): Background + Transformation-HTML Tutorial-php.cn

Home

Web Front-end

HTML Tutorial

CSS (4): Background + Transformation

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Aug 15, 2016 pm 04:49 PM

background-origin

Set the original starting position of the element's background image. You must ensure that the background-repeat is no-repeat for this attribute to take effect.
The possible values are border-box | padding-box | content-box

border-box: Set the origin of the background image to the upper left corner of the border

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-repeat:no-repeat;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-origin:border-box;
</span><span style="color: #008080;">5</span> <span style="color: #000000;">}
</span><span style="color: #008080;">6</span> 
<span style="color: #008080;">7</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

padding-box: Set the origin of the background image to the upper left corner of the padding

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-repeat:no-repeat;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-origin:padding-box;
</span><span style="color: #008080;">5</span> <span style="color: #000000;">}
</span><span style="color: #008080;">6</span> 
<span style="color: #008080;">7</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

content-box: Set the origin of the background image to the upper left corner of the content area

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-repeat:no-repeat;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-origin:content-box;
</span><span style="color: #008080;">5</span> <span style="color: #000000;">}
</span><span style="color: #008080;">6</span> 
<span style="color: #008080;">7</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

Set the area where the background image is cropped outward.

The possible values are border-box | padding-box | content-box

border-box: Set the cropping area to be within the border, including the border

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-clip:border-box;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">}
</span><span style="color: #008080;">5</span> 
<span style="color: #008080;">6</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

padding-box: Set the cropping area to be within the padding, including padding

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-clip:padding-box;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">}
</span><span style="color: #008080;">5</span> 
<span style="color: #008080;">6</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

content-box: Set the cropping area to the content area

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    background-clip:content-box;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">}
</span><span style="color: #008080;">5</span> 
<span style="color: #008080;">6</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

Change the size, transparency, rotation angle, distortion, etc. of elements.

Syntax:
transform: none | +
transform-function contains the following methods:
translate(): Specify the 2D translation of the object (2D translation). The first parameter corresponds to the X-axis, and the second parameter corresponds to the Y-axis. If the second parameter is not provided, the default value is 0
transform-origin: Any element has a center point. By default, its center point is located at 50% of the X-axis and Y-axis of the element.
translateX(): Specify the translation of the X-axis (horizontal direction) of the object
translateY(): Specify the translation of the Y-axis (vertical direction) of the object
rotate(): Specify the 2D rotation (2D rotation) of the object, you need to have < ' transform-origin '> Definition of attributes
scale(): Specifies the 2D scale (2D scaling) of the object. The first parameter corresponds to the X-axis, and the second parameter corresponds to the Y-axis. If the second parameter is not provided, the value of the first parameter is taken by default
skew(): Specifies the object skew transformation (oblique distortion). The first parameter corresponds to the X-axis, and the second parameter corresponds to the Y-axis. If the second parameter is not provided, the default value is 0
translate3d(): Specifies the 3D displacement of the object. The first parameter corresponds to the X axis, the second parameter corresponds to the Y axis, and the third parameter corresponds to the Z axis. Parameters are not allowed to be omitted

translate: Offset the element by 50% to the X axis and Y axis respectively

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: translate(50%,50%);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

transform-origin: Set the center point of the element at position 0 0, which is the upper left corner

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform-origin:0 0;
</span><span style="color: #008080;">6</span> <span style="color: #000000;">    transform: translate(50%,50%);
</span><span style="color: #008080;">7</span> <span style="color: #000000;">}
</span><span style="color: #008080;">8</span> 
<span style="color: #008080;">9</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

translateX: Only set the offset of the X axis

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: translateX(50%);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

translateY: Only set the offset of the Y axis

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: translateY(50%);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

rotate: Set the element for 2D rotation, the accepted parameter is the angle (deg)

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: rotate(180deg);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

scale: Set the element to be scaled 3 times. The accepted parameters are numerical values, indicating the magnification factor

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: scale(3);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

skew: Set the tilt angle of the element

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: skew(60deg);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

translate3d: Set the 3d displacement of the element

<span style="color: #008080;">1</span> <span style="color: #000000;">.img{
</span><span style="color: #008080;">2</span> <span style="color: #000000;">    width:200px;
</span><span style="color: #008080;">3</span> <span style="color: #000000;">    height:200px;
</span><span style="color: #008080;">4</span> <span style="color: #000000;">    background-image:url(1.jpg);
</span><span style="color: #008080;">5</span> <span style="color: #000000;">    transform: translate3d(50px,50px,1px);
</span><span style="color: #008080;">6</span> <span style="color: #000000;">}
</span><span style="color: #008080;">7</span> 
<span style="color: #008080;">8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="img"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>

Copy after login

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Assassin's Creed Shadows: Seashell Riddle Solution

1 months ago By DDD

What's New in Windows 11 KB5054979 & How to Fix Update Issues

3 weeks ago By DDD

Where to find the Crane Control Keycard in Atomfall

1 months ago By DDD

How to fix KB5055523 fails to install in Windows 11?

2 weeks ago By DDD

InZoi: How To Apply To School And University

3 weeks ago By DDD

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Where is the login entrance for gmail email?

7754

Java Tutorial

1643

CakePHP Tutorial

1398

Laravel Tutorial

1293

PHP Tutorial

1234

Related knowledge

Is HTML easy to learn for beginners? Apr 07, 2025 am 12:11 AM

HTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.

The Roles of HTML, CSS, and JavaScript: Core Responsibilities Apr 08, 2025 pm 07:05 PM

HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.

Understanding HTML, CSS, and JavaScript: A Beginner's Guide Apr 12, 2025 am 12:02 AM

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

What is an example of a starting tag in HTML? Apr 06, 2025 am 12:04 AM

AnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.

Gitee Pages static website deployment failed: How to troubleshoot and resolve single file 404 errors? Apr 04, 2025 pm 11:54 PM

GiteePages static website deployment failed: 404 error troubleshooting and resolution when using Gitee...

How to use CSS3 and JavaScript to achieve the effect of scattering and enlarging the surrounding pictures after clicking? Apr 05, 2025 am 06:15 AM

To achieve the effect of scattering and enlarging the surrounding images after clicking on the image, many web designs need to achieve an interactive effect: click on a certain image to make the surrounding...

How to implement adaptive layout of Y-axis position in web annotation? Apr 04, 2025 pm 11:30 PM

The Y-axis position adaptive algorithm for web annotation function This article will explore how to implement annotation functions similar to Word documents, especially how to deal with the interval between annotations...

HTML, CSS, and JavaScript: Essential Tools for Web Developers Apr 09, 2025 am 12:12 AM

HTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.

See all articles