CSS writing method for webkit kernel browser_html/css_WEB-ITnose
-webkit-tap-highlight-color: transparent; Set the color to transparent when clicking on a link to highlight on Mobile
-webkit-user-select: none; Set to impossible Select text
-webkit-touch-callout: none; The system menu will not be triggered when long-pressed. You can add this attribute to the image to prohibit downloading the image
:-webkit-full-screen canvas { } Style in full screen mode (for Desktop)
div p :matches(em, b, strong) {} Use mathes to match multiple selectors
@media only screen and (max -width: 480px) {} Specify Mobile device or small desktop screen
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 300dpi) { Specify high resolution Screen device
header { background-image: url(header-highres.png); }
}
@media (-webkit-max-device-pixel-ratio : 1.5), (max-resolution: 299dpi) { Specify low-resolution screen device
header { background-image: url(header-lowres.png); }
}
background-repeat: space; background-repeat: round; These two CSS3 background properties are worth studying
width: calc(100%-40px); Calculate width
text- decoration: #FF8800 wavy ine-through; wavy link
text-rendering: optimizeLegibility; using this attribute will tighten the distance between characters
font-variant-ligatures: common-ligatures ; Set CSS ligatures
transform: rotate(90); Rotate 90 degrees
transform-origin: center center; transform-origin can change the position of the transformation
-webkit -appearance: none; -webkit-appearance can change buttons or other controls to look like local controls
Beautify the prompt style during form verification
::-webkit-validation-bubble { }
::-webkit-validation-bubble-message {}
::-webkit-validation-bubble-arrow {}
::-webkit-validation- bubble-arrow-clipper {} When the prompt appears similar to the following structure
Customized WebKit Scrollbar /* Let´s get this party started */
::-webkit-scrollbar {
width: 12px;
}
/* Track */
::-webkit-scrollbar-track {
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0, 0.3);
-webkit-border-radius: 10px;
border-radius: 10px;
}
/* Handle */
::-webkit-scrollbar-thumb {
-webkit-border-radius: 10px;
border-radius: 10px;
background: rgba( 255,0,0,0.8);
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
}
::-webkit-scrollbar-thumb:window-inactive {
background: rgba(255,0,0,0.4);
}-webkit-background-composite: plus-darker; -webkit-background-composite is used to set the background or color combination style of an element
-webkit-text-stroke: 1px rgba(0,0,0,0.5); -webkit-text-stroke can Used to add strokes to text
-webkit-mask-image: url(/path/to/mask.png); Define an image to mask elements
-webkit-box -reflect: below 5px; defines the reflection of an element
:local-link {font-weight: normal;} local-link can define the link style of relative address
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The roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.

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HTML, CSS and JavaScript are the core technologies for building modern web pages: 1. HTML defines the web page structure, 2. CSS is responsible for the appearance of the web page, 3. JavaScript provides web page dynamics and interactivity, and they work together to create a website with a good user experience.

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