Please help me. How can I modify the Discuz forum template to my own page style? _html/css_WEB-ITnose

id is used to uniquely identify a single element, and class is used to define common styles or behaviors for multiple elements; 1. id must be unique in the page, and class can be reused; 2. id is selected in CSS, and class is selected; 3. id is obtained through getElementById() in JavaScript, and class is obtained through getElementsByClassName() or querySelectorAll(); 4. An element can only have one id, but can have multiple classes; 5. It is recommended to use class for general style design, and only use id when unique identification is required; 6. Avoid reuse of id, otherwise it will lead to HTML

Thepatternattributeusesregextoenforceinputformats,validfortext,email,password,tel,etc.,andrequiresmatchingtheentirestring.2.Commonusesincludephonenumbers(e.g.,\d{3}-\d{3}-\d{4}),passwordcomplexity(e.g.,(?=.\d)(?=.[a-z])(?=.*[A-Z]).{8,}),alphabetic-on

The id must be unique. One id in each page can only be used for one element, and the class can be reused on multiple elements, and one element can have multiple classes; 2. Scenarios using id include: positioning a single specific element, link anchors within the page, JavaScript operates elements through id, and labels associated with form elements; scenarios using class include: applying the same style or behavior to multiple elements, building reusable UI components, and selecting multiple elements in JavaScript; 3. In CSS, targeting is done by #id selector and .class selector respectively, getElementById() is used for id, getEleme

TheHTMLtagisusedtoisolatetextwithanunknownordifferentdirectionfromsurroundingcontent.1.Itautomaticallyhandlesbidirectionaltext,ensuringcorrectdisplaywhenmixingleft-to-rightandright-to-leftlanguages.2.Itisidealfordynamicoruser-generatedcontentwheretex

When writing standardized and effective HTML, you need to pay attention to clear syntax rules and structure. One label must be closed correctly. For example, if paired peer self-closing label, it is recommended to add slashes to write attributes. It is necessary to standardize the attribute name and the full lowercase value wrapped in double quotes. Multiple attributes are empty in one space. Three elements are nested. It should be reasonable. If you can put block-level elements inside, but you cannot nest another four. Use appropriate DOCTYPE and language declarations at the beginning. For example, write with lang="zh-CN" to avoid weird modes and improve SEO and barrier-free access.

To embed a YouTube video, first get the embed code and insert it into HTML. 1. Click "Share" below the YouTube video and then click "Embed" to copy the provided code; 2. Optionally adjust the video size, add CSS to implement responsive layout, or add parameters such as autoplay=1, mute=1, rel=0, etc. in src to customize the playback behavior; 3. Paste the code anywhere on the HTML page, and make sure to use allow="autoplay" to enable automatic playback. The video will be displayed normally and can be played by clicking and the whole process can be completed by simply copying, pasting and simple modification.

TheautocompleteattributecontrolsbrowserautofillbehaviorinHTMLforms;1.Useautocomplete="on"orautocomplete="off"toenableordisableautofillforaformorinput;2.Applysemanticvalueslike"email","tel","street-address&

Thetabindexattributecontrolskeyboardnavigationorderandfocusbehaviorinwebaccessibility.1)tabindex="0"makeselementsfocusableinnaturaldocumentorder,enablingkeyboardaccessfornon-interactiveelementslikedivs.2)tabindex="-1"removeselemen