How to make font color change in html

Backdrop-filter is used to apply visual effects to the content behind the elements. 1. Use backdrop-filter:blur(10px) and other syntax to achieve the frosted glass effect; 2. Supports multiple filter functions such as blur, brightness, contrast, etc. and can be superimposed; 3. It is often used in glass card design, and it is necessary to ensure that the elements overlap with the background; 4. Modern browsers have good support, and @supports can be used to provide downgrade solutions; 5. Avoid excessive blur values and frequent redrawing to optimize performance. This attribute only takes effect when there is content behind the elements.

Theaspect-ratioCSSpropertydefinesthewidth-to-heightratioofanelement,ensuringconsistentproportionsinresponsivedesigns.1.Itisapplieddirectlytoelementslikeimages,videos,orcontainersusingsyntaxsuchasaspect-ratio:16/9.2.Commonusecasesincludemaintainingres

Define@keyframesbouncewith0%,100%attranslateY(0)and50%attranslateY(-20px)tocreateabasicbounce.2.Applytheanimationtoanelementusinganimation:bounce0.6sease-in-outinfiniteforsmooth,continuousmotion.3.Forrealism,use@keyframesrealistic-bouncewithscale(1.1

The:emptypseudo-classselectselementswithnochildrenorcontent,includingspacesorcomments,soonlytrulyemptyelementslikematchit;1.Itcanhideemptycontainersbyusing:empty{display:none;}tocleanuplayouts;2.Itallowsaddingplaceholderstylingvia::beforeor::after,wh

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Use hidden checkboxes and CSS's :checked pseudo-class combined with adjacent sibling selectors ( ) to control content display; 2. The HTML structure contains input, label and content div for each collapsed item; 3. Smooth expansion/collapse animations by setting max-height transition; 4. Add open/close status icons with pseudo-elements; 5. Use radio types to implement single-open mode, while checkbox allows multiple openings. This is an interactive foldable menu implementation that requires no JavaScript and is compatible with modern browsers.

Use CSSclip-path to create non-rectangular shapes in the browser without additional images or complex SVG; 2. Common shape functions include inset(), circle(), ellipse() and polygon(), where polygon() implements custom shapes by defining coordinate points, which is suitable for creating creative designs such as dialog bubbles; 3. clip-path can achieve dynamic effects through CSS transition or keyframe animation, such as circle expansion during hovering, but only supports inter-shape animations of the same type and number of vertices; 4. Pay attention to responsiveness and accessibility to ensure that the content is still available when not supported, the text is readable, avoid excessive cropping, and control the number of polygon vertices to optimize performance. At the same time, it is necessary to know that

Use background-image and background-clip:text to achieve CSS text gradient effect; 2. You must set -webkit-background-clip:text and -webkit-text-fill-color:transparent to ensure browser compatibility; 3. You can customize linear or radial gradients, and it is recommended to use bold or large text to improve visual effect; 4. It is recommended to set color as an alternative color for unsupported environments; 5. Alternatives can use -webkit-mask-image to achieve more complex effects, but they are mainly suitable for advanced scenarios; this method is simple, has good compatibility and visual