Web Front-end
CSS Tutorial
What are the types of css style sheets that automatically take effect?
What are the types of css style sheets that automatically take effect?
There are five ways for CSS style sheets to automatically take effect: 1. Direct inline styles; 2. Internal style sheets; 3. External style sheets; 4. Attribute selectors; 5. JavaScript.
Several ways for CSS style sheets to automatically take effect
There are several ways for CSS style sheets to automatically take effect:
1. Direct inline style
Inline style is written directly in the <style> tag of the HTML element. It is only effective for the element that contains it and takes precedence over other styles.
<p style="color: red; font-size: 20px;">一些文本</p>
2. Internal style sheet
The internal style sheet is written in the <style># inside the
tag. ## tag. It is effective for the entire page and takes precedence over external style sheets. <head>
<style>
p {
color: blue;
font-size: 16px;
}
</style>
</head>3. External style sheet
The external style sheet is an independent file, and its file name has the extension.css. Link it to the HTML page via the tag. Has lower priority than internal style sheets.
<head> <link rel="stylesheet" href="style.css"> </head>
4. Attribute selector
Attribute selector matches elements with specific attributes. When an element has this attribute, the style will automatically take effect. For example, the following style will apply red text to all elements withclass="important":
[class="important"] {
color: red;
}5. JavaScript
Using JavaScript CSS styles can be applied dynamically. For example, the following code will add aclass to the element, making its text red:
document.getElementById("myElement").classList.add("important");The above is the detailed content of What are the types of css style sheets that automatically take effect?. For more information, please follow other related articles on the PHP Chinese website!
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
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
How to use bootstrap in vue
Apr 07, 2025 pm 11:33 PM
Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.
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.
How to write split lines on bootstrap
Apr 07, 2025 pm 03:12 PM
There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.
How to set up the framework for bootstrap
Apr 07, 2025 pm 03:27 PM
To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.
How to insert pictures on bootstrap
Apr 07, 2025 pm 03:30 PM
There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.
How to use bootstrap button
Apr 07, 2025 pm 03:09 PM
How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text
How to resize bootstrap
Apr 07, 2025 pm 03:18 PM
To adjust the size of elements in Bootstrap, you can use the dimension class, which includes: adjusting width: .col-, .w-, .mw-adjust height: .h-, .min-h-, .max-h-
