background-image 也是可以做 RWD 的, 自己写 media query 然后换 URL 就可以了. 但是 media 解决不了 image type 的问题. 比如我想用 webp fallback to jpeg. 这个以前就办不到. 直到 image-set 的出现. background-image: url("../images/yangmi.jpg"); // fallback 写法 background-image: image-...
28 71 元素的边框和圆角 border border-image border-radius 10:17 72 元素的背景设置1 background-image origin clip 15:34 73 元素的背景设置2 background-position size 15:12 74 元素的渐变背景设置 线性渐变 径向渐变 锥形渐变 13:12 75 多层背景设置与混合模式 background-blend-mode 09:51 76 两个...
28 71 元素的边框和圆角 border border-image border-radius 10:17 72 元素的背景设置1 background-image origin clip 15:34 73 元素的背景设置2 background-position size 15:12 74 元素的渐变背景设置 线性渐变 径向渐变 锥形渐变 13:12 75 多层背景设置与混合模式 background-blend-mode 09:51 76 两个...
When creating your background image, it’s a good idea to create an image that is fairly large. While browsers can make an image smaller without a noticeable impact on visual quality, when a browser scales up an image to a size larger than it's original dimensions, the visual quality wil...
.img{background-image:url(small.jpg);}@media(min-width:468px),(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){.img{background-image:url(large.jpg);}} With this CSS syntax, depending on the browser conditions, the browser will only download one of the two images, which ach...
In this code block, style the background YouTube video and the included heading using the “position”, “height”, and “width” attributes, etc. Output Conclusion A responsive background video can be added from the system collection as well as a YouTube video can be added in HTML CSS ...
Finally, you need to add someinteractivity to the gallery,such as allowing users to click on an image to view a larger version of it. This can be done using JavaScript and CSS. .overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0...
body { background-image: url('img_flowers.jpg'); }} Try it Yourself » The HTML <picture> ElementThe HTML <picture> element gives web developers more flexibility in specifying image resources.The most common use of the <picture> element will be for images used in responsive designs. In...
<link rel="stylesheet" type="text/css" href="css/normalize.css" /> <link rel="stylesheet" type="text/css" href="css/default.css"> <link rel="stylesheet" href="css/responsivelylazy.min.css"> <style type="text/css"> .example-image{ border: 1px solid #ccc; background-color...
Added lazy loading background images. Enabled debugging by setting a cookie value. Optimized image loading when multiple requested. Added argument to responsivelyLazy.run(element). New HTML attributes. Removed responsivelyLazy.isVisible() Removed the CSS file. 07/31/2018 Fix for data-lazycontent ...