CSSobject-fit object-fit属性定义了被替换的元素(如img或video)的内容应如何调整大小以适应其容器。object-fit的默认值是fill,这可能导致图像被挤压或拉伸。 让我们来看看可能的值。 object-fit的可能值 object-fit: contain 在这种情况下,图像的大小将被调整以适应其容器的长宽比。如果图像的长宽比与容器的长宽比...
如果只规定了第一个值,那么第二个值为50%。 在css3中,可以为background-position提供四个参数值。 如果提供四个,每个percentage或length值的前面必须提供关键词(即top、bottom、left、right、center)来指定相对偏移的方向,比如: #bg{width:500px;height:300px;margin:0auto;padding:50px;border:10pxdashedrgba(25...
3.css3 text effect css3新增了两个text effect属性(还有其他的但许多浏览器没实现,w3s没详细介绍),分别是text-shadow和word-wrap,谷歌搜索text-effect可以找到很多不错的css3 text-effect教程,我在demo里面照着做了几个,大家可以看看,更多的详细教程大家还是用谷歌搜索一下。关于word-wrap属性w3cplus有一篇介绍,...
The CSSbackground-clipproperty was introduced in CSS3 for the purposes of setting the clipping behavior for the background of an element. It sets the "background painting area" for the element. Thebackground-clipproperty allows you to specify whether the background will be painted to the "co...
To change the background color of any element or a webpage, you can use the CSSbackground-colorproperty by providing the color name or color code of the color that you want to fill in the background. Syntax Set the background color for a page by color name: ...
HOME HTML CSS CSS Property background-color Description Filling in the background-color of an ol list-item Demo CodeResultView the demo in separate window li {<!--from w w w.ja v a2 s. c om--> padding: 10px 0; margin: 10px 0; color: #ccc; padding-left: 26p...
Here is the CSS: img.bg { /* Set rules to fill background */ min-height: 100%; min-width: 1024px; /* Set up proportionate scaling */ width: 100%; height: auto; /* Set up positioning */ position: fixed; top: 0; left: 0; } @media screen and (max-width: 1024px) { /* ...
The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, or constrained to fit the available space.
The CSSbackground-originproperty was introduced in CSS3 for the purposes of setting the background positioning area of an element. Thebackground-originproperty allows you to specify whether the background will be positioned relative to the "content box", "border box", or the "padding box". ...
The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, or constrained to fit the available space.