background-image: url('https://images.unsplash.com/photo-1573480813647-552e9b7b5394?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2253&q=80'); background-repeat: no-repeat; background-position: center;background-attachment: fixed; background-size: cover; -webkit-backg...
css & object-fit & background-image object-fit /*default fill */ object-fit:fill|contain|cover|scale-down|none|initial|inherit; 1. 2. object-fit demo See the Pen <a href="https://codepen.io/xgqfrms/pen/YzqEQEa">object-fit</a> by xgqfrms (<a href="https://codepen.io/xgq...
object-position属性与 CSS 的background-position属性类似: image.png 大多数情况下,默认值会被使用(即center或50% 50%) 当容器的纵横比在垂直方向上更大时,top和bottom关键字也可以使用: object-position: top(左侧)和object-position: bottom(右侧)对比。 CSSbackground-size 使用background-size时,主要区别在于...
如果图像是装饰性的,我们可以用background-image: .hero{position:relative;background-image:linear-gradient(totop,#a34242,rgba(0,0,0,0),url("thumb.jpg");background-repeat:no-repeat;background-size:cover;} 在这种情况下,CSS比较短。确保放在图片上的任何文字都是可读的,并且是可访问的。 用object-...
css & object-fit & background-image object-fit https://www.caniuse.com/#search=object-fit https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit object-fit demo See the Pen <a href='https://codepen.io/xgqfrms/pen/YzqEQEa'>object-fit</a> by xgqfrms (<a href='https://cod...
让背景图适配视口很容易,需要使用下面 CSS 即可: 复制 body {background-image: url('https://images.unsplash.com/photo-1573480813647-552e9b7b5394?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2253&q=80');background-repeat: no-repeat;background-position: center;background-...
The background-position property in CSS allows you to position the background image. By default, the image is placed at the top-left corner of the element.
让背景图适配视口很容易,需要使用下面 CSS 即可: body { background-image: url('https://images.unsplash.com/photo-1573480813647-552e9b7b5394?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2253&q=80'); background-repeat: no-repeat; background-position: center; background...
深入理解CSS中的object-fit和background-size,这两个属性在图片尺寸控制和应用场景中发挥着关键作用。通过调整元素内的内容如何适应其容器,这两个属性能够避免图像在不一致的尺寸下被压缩或拉伸。当图像与设定的容器尺寸不匹配时,object-fit提供了多种解决方案。例如,object-fit: contain保持图像长宽比,...
css body { margin: 0; padding: 0; } div { position: absolute; height: 100vh; width: 100vw; } .day { background-image: url("https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2613&q=80"); ...