display&position_CSS/HTML

display:block renders child objects as block objects. Many inline style effects require the use of display.

<style type="text/css"> #photo a img{border:3px solid #FF6600; } #photo a:hover {display:block;} /**若不加此句，则内联对象img的样式不会显示**/ #photo a:hover img{ border:2px solid blue;} </style> <div id="photo"> <a href="#"> <img src="/logos.gif" style="max-width:90%" style="max-width:90%" alt="display&position_CSS/HTML"></a> </div>
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position content The dimensions determine the size of the object based on the layout dimensions.

<p><style type="text/css"> #text{position:relative;} /**若没有，则内联对象不显示。若为block，会作为块级元素而使虚线过长。posigion时，长度由text的内容决定。**/ #text span{width:200px; height:20px;border-bottom: 1px dashed #000000 ; } </style></p> <p></p> <div id="text"> <span> Sample text underline style </span> </div>
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