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- What is the box-shadow property and how do you use it?
- The box-shadow property of CSS is used to add shadow effects around elements. Its core usage includes: 1. Define horizontal offset, vertical offset, blur radius, extension radius, color and inset keywords; 2. Add multiple shadows with commas separated; 3. Dropshadows is used to make elements look out of the page, while insetshadows is used for internal shadows; 4. Use reasonably to avoid affecting performance. For example, box-shadow:5px5px10pxrgba(0,0,0,0.3) creates a shadow that is in the lower right corner and translucent.
- CSS Tutorial . Web Front-end 183 2025-06-30 00:50:41
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- How to style the first letter or first line of a text block?
- In web design, using CSS pseudo-elements can achieve the style beautification of the first letter or first line of the text block. 1. Use ::first-letter to add styles to the first letter of the paragraph, such as getting bigger, discolored, floating, etc., which are often used for the "capsular letter sinking" effect; 2. Use ::first-line to set indentation, color, background and other styles for the first line of the paragraph; 3. When applying, it is necessary to note that both are only suitable for block-level elements, and reasonably set attributes such as margin and float to avoid typography confusion; 4. In actual development, it is often used for content display scenarios such as article text, blog summary, etc., and combined with font services and responsive design can improve visual hierarchy and readability.
- CSS Tutorial . Web Front-end 319 2025-06-30 00:50:02
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- What is the difference between :nth-child and :nth-of-type in CSS Selectors?
- :nth-child first checks the position of the element in all child elements, and then determines whether it is the specified type; :nth-of-type first filters out the same type elements and selects them in order. 1.:nth-child(n) is used when selecting by position and determining that the position is the target label; 2.:nth-of-type(n) is suitable for selecting specific elements in type order in mixed content. Both support formulas and keywords such as even and odd, but the core difference is that the counting objects are different: the former is based on all child elements, while the latter is only for elements of the same type.
- CSS Tutorial . Web Front-end 848 2025-06-30 00:45:00
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- A practical CSS tutorial on View Transitions API
- TheViewTransitionsAPIenablessmoothpagetransitionsusingminimalJavaScriptandCSS.1.Itworksbycapturingsnapshotsoftheoldandnewviews,thenanimatingbetweenthemwhenDOMchangesarewrappedindocument.startViewTransition().2.Youcanstyletransitionsusingpseudo-elemen
- CSS Tutorial . Web Front-end 535 2025-06-30 00:43:11
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- What is the general sibling combinator (~)?
- The universal sibling selector (~) in CSS is used to select all sibling elements after the specified element as long as they share the same parent element. ① It is not necessarily a sibling element that follows, but all subsequent sibling elements that meet the conditions; ② must be sibling nodes under the same parent element; ③ can match multiple elements; for example, using h2~p will select all elements that are after h2 and at the same level. Common uses include: ① Set styles for paragraphs after the title; ② Apply styles to elements after specific list items; ③ Highlight the content after the required labels in the form. But it does not select sibling nodes before the target element, elements nested within other tags, or elements under different parent nodes. Therefore, in the case where the structure later includes inner and outer, h2~p only
- CSS Tutorial . Web Front-end 303 2025-06-30 00:39:30
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- CSS tutorial for creating a card layout
- To achieve a good-looking and practical card layout, you can follow the following steps: 1. Use Flexbox to quickly build a responsive container, set display:flex, flex-wrap:wrap and gap to control arrangement and spacing; 2. Beautify the card style by setting max-width, box-shadow, padding and other attributes; 3. Use CSSGrid to achieve more complex typesetting, such as automatic filling of columns and responsive column width; 4. Pay attention to responsive common problems such as image size, text line breaks, and spacing consistency. These methods can effectively improve the aesthetics and adaptability of the layout.
- CSS Tutorial . Web Front-end 438 2025-06-30 00:27:20
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- How can you pause and resume a CSS animation?
- To pause and restore CSS animation, the most direct way is to dynamically switch the animation-play-state attribute using JavaScript. Controlling this property through JavaScript allows pause and playback to be achieved without restarting the painting. The specific steps include: 1. Add an event listener (such as button click); 2. Check the current animation status; 3. Dynamic switching status. In addition, if you only need to pause the animation during hover, you can implement it through the :hover pseudo-class combined with @keyframes, but this method is suitable for simple interactions and is not suitable for complex logic. For multiple animations or more complex scenes, you can process animations by index, reset animation state or manage states with CSS variables, and pay attention to performance
- CSS Tutorial . Web Front-end 683 2025-06-30 00:02:12
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- Flexbox vs Grid: Mastering Modern CSS Layout
- ChooseFlexboxforone-dimensionallayoutsandGridfortwo-dimensionallayouts.1)Flexboxisidealforaligningitemsinasingleroworcolumn,perfectfornavigationbarsorsidebars.2)Gridexcelsincreatingcomplex,grid-basedstructures,suitableforgalleriesordashboards.
- CSS Tutorial . Web Front-end 973 2025-06-29 01:31:30
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- What is the best CSS tutorial for beginners?
- The most suitable CSS tutorials for beginners depend on the learning style. 1. FreeCodeCamp's CSS tutorials are suitable for structured learning, with comprehensive content and coding challenges; 2. MDNWebDocs is suitable for in-depth understanding and reference, providing detailed guides from basic to layout; 3. YouTube channels such as TraversyMedia, TheNetNinja and KevinPowell are suitable for visual learners, combining video explanations and practical practice; 4. Interactive platforms such as Codecademy and Scrimba combine theory and practice to help master abstract concepts. Regardless of the choice, sticking to practice and starting with a simple project is key.
- CSS Tutorial . Web Front-end 525 2025-06-29 01:30:51
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- How to apply styles specifically for print?
- Toapplystylesspecificallyforprint,useprint-specificCSSviaaseparatestylesheetormediaquery.1.Linkaprintstylesheetwiththemediaattributesetto"print"orusean@mediaprintblockinyourmainCSSfile.2.Hideunnecessaryelementslikenavigationbarsandadsusingd
- CSS Tutorial . Web Front-end 145 2025-06-29 01:30:31
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- How to use the * universal selector correctly in CSS Selectors?
- When using * general-purpose selector, its scope of action and performance impact should be clarified. It is often used to reset the default style (such as clear margins, fill), debug layouts, or unify global styles (such as fonts, transitions), but abuse can lead to style conflicts or performance degradation. Since it matches all elements, adding complex properties (such as box-shadow) will slow down rendering, especially in large projects. Additionally, there may be compatibility issues in dynamically loading content or in older browsers. To improve accuracy, it can be used in combination with pseudo-classes or attribute selectors, such as excluding specific classes or restricting child element style inheritance. The key to using * well is "less is more", and prioritizes more specific selectors to avoid unnecessary coverage.
- CSS Tutorial . Web Front-end 213 2025-06-29 01:29:20
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- How to select every other table row with CSS Selectors?
- Use tr:nth-child(odd) and tr:nth-child(even) to achieve table interlaced color discoloration. 1.tr:nth-child(odd) select all odd rows, 2.tr:nth-child(even) select all even rows, 3. If the table structure is complex (such as including or merging cells), it is recommended to limit the scope of action such as tbodytr:nth-child(odd) or use JavaScript to dynamically add class name control styles, 4. Manually adding class="alt" to the row and defining background color through .alt is also a stable alternative, but additional HTML logic is required.
- CSS Tutorial . Web Front-end 863 2025-06-29 01:21:40
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- Why is it a best practice to put CSS tags in the ?
- It is more reasonable to place the CSS tags in the HTML document area, because the browser parses HTML from top to bottom. Putting CSS will make it priority to download and parse, ensuring that the style has been applied during page rendering and avoiding FOUC (no style content flashing); although this will block page rendering, it provides a "delayed but stable" experience, which is better than displaying chaotic content first and then adjusting the layout; optimization methods include using media properties, compressing CSS, CDN acceleration, inline critical CSS, etc.; exceptions include asynchronous loading of non-critical CSS, dynamic skinning functions, and advanced means such as automatic processing of loading order of building tools in modern front-end frameworks.
- CSS Tutorial . Web Front-end 925 2025-06-29 01:21:01
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- How do I debug CSS Selectors that are not applying styles as expected?
- TotroubleshootCSSselectorsnotapplyingstyles,firstverifyiftheselectormatchesanyelementsbyusingDevToolstocopyandtesttheselectorintheconsole.1.Ifitreturnsanemptyarray,adjusttheselector.2.Checkforspecificityconflicts:IDsoverrideclasses,whichoverridetags;
- CSS Tutorial . Web Front-end 828 2025-06-29 01:20:20
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