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这篇文章主要为大家详细介绍了CSS3弹性伸缩布局之flex布局,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
.container{ align-items: center; justify-content: center; display: flex; background: white url(image/baby.jpg) no-repeat center; background-size: auto 100%; } .text{ display: flex; align-items: center; height: 3rem; color: white; font-family: helvetica, sans-serif; font-size: 1.5rem; font-weight: bold; text-transform: uppercase; text-shadow:0 0 1.2rem hsla(0,100%,100%,.4); box-shadow: 0 0 1.5rem hsla(0,100%,0%,.4); border-radius: .5rem; }
适应各种版本:
html { height: 100%; font-size: 62.5%; /* 10px with default settings */ } body { margin: 0; height: 100%; width: 100%; /* width needed for Firefox */ /* old flexbox - Webkit and Firefox. For backwards compatibility */ display: -webkit-box; display: -moz-box; /* middle-aged flexbox. Needed for IE 10 */ display: -ms-flexbox; /* new flexbox. Chrome (prefix), Opera, upcoming browsers without */ display: -webkit-flex; display: flex; /* old flexbox: box-* */ -webkit-box-align: center; -moz-box-align: center; /* middle flexbox: flex-* */ -ms-flex-align: center; /* new flexbox: various property names */ -webkit-align-items: center; align-items: center; -webkit-box-pack: center; -moz-box-pack: center; -ms-flex-pack: center; -webkit-justify-content: center; justify-content: center; background: white url(image/baby.jpg) no-repeat center; background-size: auto 100%; } /* flexbox added below to show it works with anonymous boxes (e.g. text) as well It is not needed to center the heading itself. Rest of the styles are just to make the demo pretty and can be ignored. */ h1 { display: -webkit-box; display: -moz-box; display: -ms-flexbox; display: -webkit-flex; display: flex; -webkit-box-align: center; -moz-box-align: center; -ms-flex-align: center; -webkit-justify-content: center; justify-content: center; -webkit-box-pack: center; -moz-box-pack: center; -ms-flex-pack: center; -webkit-align-items: center; align-items: center; height: 10rem; padding: 0 3rem; /* background-color: hsla(0, 100%, 0%, .9); */ color: white; font-family: helvetica, sans-serif; font-size: 5rem; /* font shorthand doesn’t work with rem in IE10 */ text-transform: uppercase; text-shadow: 0 0 1.2rem hsla(0, 100%, 100%, .4); box-shadow: 0 0 1.5rem hsla(0, 100%, 0%, .4); border-radius: .5rem; }
对齐设置:在容器中设置元素对齐,而不是设置元素本身。
单位:px 像素,相对于分辨率;em 相对于当前对象内文本的字体尺寸;rem(root em)相对于网页根元素文本字体尺寸。
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