search
HomeWeb Front-endHTML Tutorial0.1 HTML-CSS start_html/css_WEB-ITnose

First introduction to HTML-CSS

HTML (Hyper Text Markup Language) is a language used as a web page format. CSS (Cascading Style Sheets) is a technology used for web and print layout. Together they form the basis of Internet performance.

The basic structure of HTML

  1. DTD (Document Type Definition) tells the browser the version of the HTML language used in the document, the version and the respective DTD are:
  • HTML 4.01 Transition
  • HTML 5
  • XHTML 1.0 Transition
    1. HTML structure tags


    Statement
    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
    How to implement multi-project carousel in Bootstrap 4?How to implement multi-project carousel in Bootstrap 4?Apr 30, 2025 pm 03:24 PM

    Solution to implement multi-project carousel in Bootstrap4 Implementing multi-project carousel in Bootstrap4 is not an easy task. Although Bootstrap...

    How does deepseek official website achieve the effect of penetrating mouse scroll event?How does deepseek official website achieve the effect of penetrating mouse scroll event?Apr 30, 2025 pm 03:21 PM

    How to achieve the effect of mouse scrolling event penetration? When we browse the web, we often encounter some special interaction designs. For example, on deepseek official website, �...

    How to modify the playback control style of HTML videoHow to modify the playback control style of HTML videoApr 30, 2025 pm 03:18 PM

    The default playback control style of HTML video cannot be modified directly through CSS. 1. Create custom controls using JavaScript. 2. Beautify these controls through CSS. 3. Consider compatibility, user experience and performance, using libraries such as Video.js or Plyr can simplify the process.

    What problems will be caused by using native select on your phone?What problems will be caused by using native select on your phone?Apr 30, 2025 pm 03:15 PM

    Potential problems with using native select on mobile phones When developing mobile applications, we often encounter the need for selecting boxes. Normally, developers...

    What are the disadvantages of using native select on your phone?What are the disadvantages of using native select on your phone?Apr 30, 2025 pm 03:12 PM

    What are the disadvantages of using native select on your phone? When developing applications on mobile devices, it is very important to choose the right UI components. Many developers...

    How to optimize collision handling of third-person roaming in a room using Three.js and Octree?How to optimize collision handling of third-person roaming in a room using Three.js and Octree?Apr 30, 2025 pm 03:09 PM

    Use Three.js and Octree to optimize collision handling of third-person roaming in the room. Use Octree in Three.js to implement third-person roaming in the room and add collisions...

    What problems will you encounter when using native select on your phone?What problems will you encounter when using native select on your phone?Apr 30, 2025 pm 03:06 PM

    Issues with native select on mobile phones When developing applications on mobile devices, we often encounter scenarios where users need to make choices. Although native sel...

    Why can some websites achieve mouse scrolling and penetration effect, while others cannot?Why can some websites achieve mouse scrolling and penetration effect, while others cannot?Apr 30, 2025 pm 03:03 PM

    Exploring the implementation principle of mouse scrolling events When browsing some websites, you may notice that some page elements still allow scrolling the entire page when the mouse is hovering...

    See all articles

    Hot AI Tools

    Undresser.AI Undress

    Undresser.AI Undress

    AI-powered app for creating realistic nude photos

    AI Clothes Remover

    AI Clothes Remover

    Online AI tool for removing clothes from photos.

    Undress AI Tool

    Undress AI Tool

    Undress images for free

    Clothoff.io

    Clothoff.io

    AI clothes remover

    Video Face Swap

    Video Face Swap

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

    Hot Tools

    ZendStudio 13.5.1 Mac

    ZendStudio 13.5.1 Mac

    Powerful PHP integrated development environment

    MantisBT

    MantisBT

    Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

    SecLists

    SecLists

    SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

    Notepad++7.3.1

    Notepad++7.3.1

    Easy-to-use and free code editor

    DVWA

    DVWA

    Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software