css中的background属性_html/css_WEB-ITnose
第一次写博客,我就写写今天在编写网页的过程中,对background的两种运用,一是background中的线性渐变,对背景的渐变我其实是很少使用的,所以今天在写的时候我用css3的帮助手册,background: linear-gradient(to bottom,#0e7bef,#0d73da);这个是对背景颜色从上到下的一种线性渐变(linear-gradient),两个颜色参数是从第一个颜色参数渐变到第二个颜色参数。二是对background: #0e7bef url(../img/sprites.auto.26d10b5b.png)center 0 no-repeat;这样的一种写法,呈现出的是在一片蓝色的背景中间会有泛白的效果,使蓝色背景会很好看,我第一次这样使用,它是把一个背景颜色和背景图结合起来使用的,图片是一个全透明的什么都没有,center 意思就是背景图像横向和纵向居中,由于图片很大所以不需要平铺(no-repeat)。

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