External CSS. This Pen doesn't use any external CSS resources. External JavaScript. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery ... ... <看更多>
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External CSS. This Pen doesn't use any external CSS resources. External JavaScript. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery ... ... <看更多>
#container { display: block; width: 100vw; max-width: 177.78vh; /* 16/9 = 1.778 */ height: 56.25vw; /* height:width ratio = 9/16 = .5625 ... ... <看更多>
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介绍一些CSS3 新增的单位,平时可能用的比较少,但是由于单位的特性,在一些特殊场合会有妙用。 vw and vh 1vw 等于1/100的视口宽度(Viewport ... ... <看更多>