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- css loader or spinner example
- This is a lightweight loading animation implemented in pure CSS. 1. Create a div container using HTML; 2. Set a circular border through CSS and color only the top; 3. Use @keyframes animation to continuously rotate elements; 4. Customize size, speed and color; 5. Center display through Flex layout; 6. Dynamically control display and hiding in combination with JavaScript, suitable for form submission, data loading and other scenarios, complete and no external dependencies are required.
- CSS Tutorial . Web Front-end 446 2025-07-27 03:06:11
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- css box-decoration-break example
- box-decoration-break is a CSS attribute that controls how elements are displayed when they are line-breaked, paging or cropped. Its default value is slice (disconnected display). When using clone value, each segment of the line-breaked inline element can independently render the background, border, rounded corners and other styles. 1. When an inline element such as a span is broken by text wrapping, the background and rounded corners will be cut at the breakpoint by default; 2. After setting box-decoration-break:clone, each line of fragment will fully display the background color, rounded corners and inner margins, which is more visually like multiple independent highlighted labels; 3. This attribute is particularly effective for inline elements and is often used to highlight long text, print pages and custom inline.
- CSS Tutorial . Web Front-end 281 2025-07-27 02:59:51
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- How to create a tooltip with CSS
- The key to using CSS to create a tooltip is to match structure and style. The common method is to combine HTML and CSS implementation. 1. Basic structure: The tooltip is triggered through elements with class names, and the .tooltip and .tooltiptext cooperate, the prompt content is hidden by default and displayed when the mouse is hovered. 2. Prompt position control: Adjust the position attribute to display up, down, left and right directions, and use the ::after pseudo-element to add triangle arrows to enhance the visual effect. 3. More tips include setting delays, handling mobile compatibility issues, keeping content concise and unifying color font styles. If you need complex interactions, you can use JavaScript libraries such as Tooltip.
- CSS Tutorial . Web Front-end 938 2025-07-27 02:56:40
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- How to purge unused CSS?
- UseautomatedtoolslikePurgeCSSorUnCSStoscanandremoveunusedCSS;2.IntegratepurgingintoyourbuildprocessviaWebpack,Vite,orTailwind’scontentconfiguration;3.AuditCSSusagewithChromeDevToolsCoveragetabbeforepurgingtoavoidremovingneededstyles;4.Safelistdynamic
- CSS Tutorial . Web Front-end 935 2025-07-27 02:47:30
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- What is the backdrop-filter property?
- Backdrop-filter is used to apply visual effects to the content behind elements, such as blur or color adjustment, so as to achieve modern UI effects such as frosted glass; 1. The translucent background must be used to make the content behind visible; 2. Support filter functions such as blur(), brightness(), contrast(); 3. Commonly used in glassmorphism; 4. Performance impact must be considered, especially on mobile devices; 5. Degradation solutions should be provided through @supports to ensure compatibility. This property only affects visual rendering, does not affect layout or interaction, and is well supported in modern browsers, but excessive use must be avoided.
- CSS Tutorial . Web Front-end 435 2025-07-27 02:05:31
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- How to compile SCSS to CSS?
- InstallDartSassvianpmafterinstallingNode.jsusingnpminstall-gsass.2.CompileSCSStoCSSusingthecommandsassinput.scssoutput.css.3.Usesass--watchinput.scssoutput.csstoauto-compileonsave.4.Watchentirefolderswithsass--watchscss:css.5.Usepartialswith_prefixfo
- CSS Tutorial . Web Front-end 954 2025-07-27 01:58:11
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- css grid layout example
- This CSSGrid example shows how to use grid layout to create a web page structure containing the header, sidebar, main content area and bottom. 1. Enable grid layout through display:grid; 2. Use grid-template-areas to name the area and define a layout structure of three rows and two columns; 3. Grid-template-columns set the left fixed 200px and the right adaptation; 4. Grid-template-rows define the header 60px, main content adaptation, and bottom 50px; 5. Gap attribute sets 10px spacing; 6. Min-height:100vh ensures that the container is full of viewport; 7. Responsive design is used to query on the screen through media.
- CSS Tutorial . Web Front-end 854 2025-07-27 01:18:11
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- CSS transitions tutorial
- CSStransitionsenablesmoothpropertychangeswithminimalcode,idealforhovereffectsandinteractivefeedback.1.Usethesyntaxtransition:propertydurationtiming-functiondelay;todefinetransitions,liketransition:background-color0.3sease0.1s;.2.Specifytransition-pro
- CSS Tutorial . Web Front-end 1037 2025-07-26 09:30:40
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- What is SASS/SCSS?
- SCSSisapowerfulCSSpreprocessorthatenhancesCSSwithfeatureslikevariables,nesting,mixins,andimports,makingstylingmoreefficientandmaintainable.1.Variablesallowreusablevaluessuchascolorsandfonts,enablingglobalchangeswithasingleupdate.2.Nestingimprovescode
- CSS Tutorial . Web Front-end 577 2025-07-26 09:26:01
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- What is the accent-color property?
- accent-color is an attribute used in CSS to customize the highlight colors of form elements such as checkboxes, radio buttons and sliders; 1. It directly changes the default color of the selected state of the form control, such as changing the blue check mark of the checkbox to red; 2. Supported elements include input boxes of type="checkbox", type="radio" and type="range"; 3. Using accent-color can avoid complex custom styles and extra DOM structures, and maintain native accessibility; 4. It is generally supported by modern browsers, and old browsers need to be downgraded; 5. Set accent-col
- CSS Tutorial . Web Front-end 799 2025-07-26 09:25:01
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- How to create a multi-column layout in CSS?
- There are three common ways to implement CSS multi-column layout: 1. Use columns attribute, suitable for automatic column division of text content, simple and efficient, but cannot accurately control the content of each column; 2. Use Flexbox, suitable for horizontal arrangement, flexible control but requires manual width calculation; 3. Use CSSGrid, suitable for complex layout, powerful functions but high learning costs. The selection method should be determined based on the content type and layout requirements.
- CSS Tutorial . Web Front-end 164 2025-07-26 09:24:20
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- css gradient background example
- The basic example of a CSS gradient background is a linear gradient from blue to white. 1. Diagonal gradient can achieve an orange-red transition from top left to bottom right. 2. Multi-color gradient supports red, yellow and green changes from left to right. 3. Radial gradient can create a circular effect that diffuses from the center outward. 4. Gradient can be superimposed on the background image to improve the readability of the text. It is recommended to ensure color contrast and be combined with fixed to achieve parallax effect.
- CSS Tutorial . Web Front-end 958 2025-07-26 09:24:01
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- Explain the descendant combinator (space)
- The descendant selector is connected through spaces to select all descendant elements that meet the criteria within an element. For example, nava{color:red;} means that all a elements in nav are selected, regardless of the depth of the nesting level. It is different from the child selector (>) adjacent sibling selector ( ) and general sibling selector ( ~ ), and corresponds to different levels or positional relationships respectively. When using it, you need to pay attention to scope control, performance impact and naming conflict issues. You can optimize the application by limiting the selector hierarchy, avoiding excessive nesting, and improving the selector accuracy. In practice, descendant selectors can be used to implement regional style management, such as .sidebara or .post-contentimg, etc.
- CSS Tutorial . Web Front-end 817 2025-07-26 09:22:01
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- How to select an element by its text content in CSS?
- ?Pure CSS cannot select elements based on text content, because the CSS standard does not support text content-based selectors such as: contains(); ? Classes or attributes should be used to accurately locate elements, which is a semantic and efficient approach; ? If you have to choose according to text, you can use JavaScript or jQuery to implement it; ?? Although modern browsers support the pseudo-class of: has(), it cannot directly match the plain text content and can only be indirectly matched through child elements or attributes. Therefore, the best practice is to reasonably use the principle of separation of HTML structure and style.
- CSS Tutorial . Web Front-end 813 2025-07-26 09:12:01
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