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- Describe the CSS `mix-blend-mode` property
- mix-blend-mode is an attribute in CSS that controls the mixing method of element content and background, and realizes color interaction effects through different blending modes. Common modes include multiply (dark, suitable for dark element overlay), screen (bright, suitable for light element overlay), overlay (high contrast overlay), and difference (dynamic inversion). When using it, you need to ensure that there is visible content behind the elements and pay attention to performance, readability and compatibility issues. For example, set .element{mix-blend-mode:multiply;} to apply the effect.
- CSS Tutorial . Web Front-end 891 2025-08-01 04:09:21
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- How to create a custom checkbox with CSS?
- First, hide the default checkboxes, use opacity:0 and position:absolute to maintain their functions but are not visible; 2. Create a custom style and design the appearance of checkboxes through pseudo-elements and .checkmark classes; 3. Use:checked .checkmark to achieve the background and border changes of the selected state; 4. Add:after pseudo-element to draw a checkmark and form a correct angle through transform:rotate(45deg); 5. Optionally add hover and focus states to improve interactivity and accessibility; 6. Finally, you can implement circular (iOS-style) checkboxes by adjusting properties such as border-radius. The entire process uses only HTML and C
- CSS Tutorial . Web Front-end 713 2025-07-31 12:48:03
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- How to create a responsive hero section with CSS?
- Use Flexbox to create a flexible layout with a height of full viewport to ensure the content is centered; 2. Use relative units and media queries to achieve responsive adaptation of text and buttons; 3. Use background attributes to ensure adaptive coverage of background images; 4. Enhance text contrast by overlaying translucent layers by pseudo-elements, and add hover animations to improve interactive experience. Finally, a responsive hero area that performs well on all types of devices is realized, ending with a complete sentence.
- CSS Tutorial . Web Front-end 166 2025-07-31 12:46:15
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- How to create a triangle shape using pure CSS?
- To create triangles with pure CSS, the most common method is to use border features. 1. Set the width and height of the element to 0, and only the space is supported through the border; 2. Set the border that does not need to be displayed as transparent; 3. Change the color of a certain border to determine the direction of the triangle, such as border-bottom to control the upward triangle; 4. Use transform to achieve more complex effects, such as rotation or animation. For example, setting border-left to the right triangle is colored, other borders are transparent, while transform is suitable for making icons or arrows with pseudo-elements.
- CSS Tutorial . Web Front-end 331 2025-07-31 12:43:40
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- How to use mixins in SASS?
- MixinsinSASSarereusableblocksofcodethatcanacceptargumentsandincludedynamiccontent.1.Defineamixinusing@mixinandincludeitwith@include.2.Passargumentstomakemixinsflexible,withsupportfordefaultvalues.3.Usemultipleorkeywordargumentsforcomplexconfiguration
- CSS Tutorial . Web Front-end 949 2025-07-31 12:40:16
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- How to create a flip card effect with CSS?
- To create a flipped card effect using CSS, the key is to utilize 3D conversion and cascade control. The specific steps are as follows: 1. Build an HTML structure, set the outer container card-container and the internal front and back faces; 2. Set the style, open the 3D space through perspective, use transform-style:preserve-3d to maintain the 3D effect of child elements, and hide the back content through backface-visibility:hidden; 3. Use:hover pseudo-class or JavaScript to trigger the rotateY transformation to achieve flip animation; 4. Adjust the card size, shadow and other details to enhance the visual effect and intersect
- CSS Tutorial . Web Front-end 723 2025-07-31 12:37:40
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- Describe the `pointer-events` property
- The pointer-events attribute is used to control whether an element can become the target of a pointer event. Its core values include auto (default, allow interaction) and none (block all interactions), suitable for scenarios such as disabling buttons or transparent overlays. Other values such as stroke and fill are mainly used in SVG. Note when using: Events sent directly by JavaScript will still be executed, but manual clicks are invalid; excessive dependence on this attribute to manage accessibility status, and the ARIA role should be combined to ensure an accessibility experience.
- CSS Tutorial . Web Front-end 653 2025-07-31 12:27:21
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- How to create a frosted glass effect using CSS backdrop-filter?
- To create a frosted glass effect, you need to use the backdrop-filter attribute to blur the content behind the elements and combine it with a translucent background; 1. Use backdrop-filter:blur(10px) or -webkit-backdrop-filter to be compatible with Safari; 2. Set background-color:rgba(255,255,255,0.1) to achieve transparency; 3. Add border-radius:12px and border:1pxsolidrgba(255,255,255,0.2) to enhance the appearance of the glass; 4. Optional box-shadow to improve the level
- CSS Tutorial . Web Front-end 715 2025-07-31 12:17:50
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- What are CSS feature queries (`@supports`)?
- The@supportsruleinCSSallowsyoutoapplystylesconditionallybasedonwhetherabrowsersupportsaspecificCSSfeature.1.Itworksbycheckingifabrowserrecognizesagivenproperty-valuepair,suchas@supports(display:grid).2.Youcanuselogicaloperatorslikeand,or,andnottocrea
- CSS Tutorial . Web Front-end 962 2025-07-31 12:17:12
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- How to create a 3D text effect with CSS?
- Use text-shadow to overlay multiple shadows to create a 3D effect, each layer of shadow simulates depth through incremental horizontal and vertical offsets; 2. Use sharp contrasting solid colors or gradient backgrounds to enhance the three-dimensional sense, such as dark gradients to set off light text; 3. Optionally add hover animations to make the text "pop up" by increasing shadow offset and slight displacement; 4. Fine-tune the color gradient, blur and direction, use different dark grays and slight blurs to enhance the realism, and ultimately achieve a pure CSS three-dimensional text effect without 3D transformation.
- CSS Tutorial . Web Front-end 938 2025-07-31 12:16:01
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- How to use the CSS gap property in Flexbox and Grid?
- The gap is a property in CSS for setting project spacing in Flexbox and Grid layouts, and the answer is: it must be applied to containers rather than children. 1. In Grid, gap replaces grid-gap. Use gap:20px to add spacing for rows and columns, and you can also use gap:15px30px to set the spacing between rows and columns respectively; 2. In Flexbox, flex-wrap:wrap needs to be set to ensure that gap takes effect in multiple rows and columns, and gap:16px will add spacing for items after a newline; 3. Common errors include forgetting to add flex-wrap, using margin and gap at the same time, and applying gap to child elements; 4. The best practice is to give priority to using gap
- CSS Tutorial . Web Front-end 820 2025-07-31 12:15:41
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- How to hide an element in CSS?
- display:none completely removes elements and does not occupy space, affects the layout but is inaccessible; 2. visibility:hidden retains space and does not affect the layout, can be animated and child elements can be displayed; 3. opacity:0 makes elements transparent but still occupy space and can interact, suitable for animation; 4. Off-screen positioning is used for visual concealment but retains screen reader access; 5. The hidden attribute is equivalent to display:none but is convenient for JavaScript control; appropriate methods should be selected based on whether space, animation, interaction or barrier-free need to be preserved. Among them, display:none is the most commonly used, but visibility and opacity are better in specific scenarios.
- CSS Tutorial . Web Front-end 690 2025-07-31 12:09:01
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- How to comment in CSS?
- CSS comments use // syntax, 1. Only // can be used to wrap the annotation content, and support single-line and multi-line comments; 2. Comments are used to mark style blocks, interpret complex codes, or temporarily disable styles; 3. Comments cannot be nested, nor do they support // form comments. They are only valid in standard CSS, and comments will not affect style rendering, which ensures that the code is clear and maintainable.
- CSS Tutorial . Web Front-end 625 2025-07-31 11:59:31
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- What is Critical CSS?
- CriticalCSSistheminimalCSSneededtostyleabove-the-foldcontent,enablingfasterinitialpagerenderingbyreducingrender-blockingresources;itworksbyinliningessentialstylesintheoftheHTMLanddeferringtherest.1.Identifyabove-the-foldstylesrequiredforinitialviewpo
- CSS Tutorial . Web Front-end 543 2025-07-31 11:58:51
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