Article Tags
Article Tags
The combined use of flex-grow and flex-basis in css flexbox layout
Flex-grow does not take effect because there is no remaining space in the container, and it depends on whether the total flex-basis of the children is less than the container size; it is recommended to use flex:1 (ie flex-basis:0%) instead of flex-grow:1 alone to ensure equal division.
Feb 25, 2026 pm 03:09 PM
The impact of CSS margins on floating layout_Solving the problem of element wrapping
The main reason for the line wrapping of floating elements is that the margins are involved in layout calculations, resulting in insufficient space; padding should be used first instead of margin to control spacing, and the parent container needs to use overflow:hidden or clear:both to clear floats to avoid collapse.
Feb 25, 2026 pm 03:06 PM
How to apply the css box model in mobile development_Explanation through size adaptation rules
The mobile CSS box model defaults to content-box; both iOS Safari and Android Chrome are consistent with the desktop. Width only includes the content area, excluding padding and border, which can easily cause layout overflow, so it is recommended to set it globally to border-box.
Feb 25, 2026 pm 03:03 PM
How to optimize loading speed by introducing CDN style sheets into css_Improving performance through CDN accelerated access
CDN style sheets may not be faster, and the key depends on node proximity, cache status, and whether rendering is blocked; preconnect and preload need to be added to optimize connection and loading, avoid DNS/TLS delays, and use the media="print" onload solution to reduce blocking.
Feb 25, 2026 pm 03:00 PM
Why does css id selector have high priority_Explanation of selector weight principle
header has priority over .header because its weight is (0,1,0,0), while .header is (0,0,1,0). The ID selector (b bit) is higher than the class selector (c bit), and the high bit determines the outcome.
Feb 25, 2026 pm 02:57 PM
CSS framework Skeleton application_extremely simple lightweight rasterization framework
Skeleton's .container is not centered on the mobile terminal because the max-width breakpoint is not set and box-sizing is not reset globally; *{box-sizing:border-box} and .container{margin:0auto} need to be appended.
Feb 25, 2026 pm 02:54 PM
How to create a responsive image layout with css_use flex and grid to display images responsively
The flex layout controls the container through display:flex flex-wrap. The sub-items set flex:11auto and min-width, and the pictures require max-width:100% and height:auto; the grid uses auto-fit minmax to achieve responsive column numbers, and unifies the height with aspect-ratio and object-fit.
Feb 25, 2026 pm 02:51 PM
Absolute positioning method of CSS two-column layout_Precise positioning implementation of left and right split screens
The two absolutely positioned columns are easily misaligned because the parent container lacks positioning context; position:relative must be set, and the left and right columns must be matched with left width or left right to avoid height desynchronization and responsive failure. Pay attention to the stacking context for z-index.
Feb 25, 2026 pm 02:48 PM
CSS color background animation_use keyframes to change the position of the gradient color
CSS cannot directly animate the gradient color value of the background-image. You need to use background-position with repeating-linear-gradient or a displacement background image to simulate color flow. The key is to set a fixed background-size and repeat mode, and use pixel unit displacement to achieve seamless circulation.
Feb 25, 2026 pm 02:45 PM
How to hide unnecessary elements in css on the mobile side_using display and media query control
Hiding elements with display:none on mobile is feasible but requires caution: it is only visually hidden, and the element is still in the DOM, affecting events, accessibility, and SEO; it is suitable for purely decorative content, not suitable for form fields or key navigation.
Feb 25, 2026 pm 02:42 PM
Z-index performance in CSS grid_hierarchical logic when grid areas overlap
The "invalidity" of z-index in CSSGrid is usually because the elements are not in the same stacking context: adding attributes such as transform to the Grid container will create an independent stacking context, and the sub-item z-index will only take effect internally; the level of the overlapping area is determined by the DOM order and explicit z-index. Position:absolute will cause the element to break away from the grid stacking system.
Feb 25, 2026 pm 02:39 PM
CSS text dissipation and reorganization animation_using filter:blur and transparency
filter:blur() animation is stuck due to CPU rendering and blur cannot be accelerated by GPU. You should force the composite layer, avoid opacity overlay, use integer blur value, Firefox needs @supports to downgrade, and use animationend visibility:hidden to completely hide it.
Feb 25, 2026 pm 02:35 PM
CSS pseudo-element implements web watermark background_using repeated tiling and transparency
Common problems and solutions for watermarks: Transparency needs to be controlled with rgba at 0.05–0.15; pseudo elements must be set to fixed positioning to cover the full viewport; priority is given to using SVG background instead of transform rotation to prevent blurring; static positioning and HTML embedding are used to ensure visibility when printing; repeated verification is required in multiple terminals and modes.
Feb 25, 2026 pm 02:30 PM
CSS clear floating method 2_Use the clear attribute of the br tag to clean
It has been deprecated by W3C and the clear attribute is not supported in HTML5; CSS pseudo-element clearfix or Flex/Grid layout should be used instead of float.
Feb 25, 2026 pm 02:27 PM
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