CSS line-height
 
 
 CSS line-height
 
 
  CSS line-height属性用于
 定义元素中线框的最小高度 。它设置内容的两行之间的差异。 
 
 它定义内联元素上方和下方的空间量。它允许您独立于字体大小设置行的高度。
 
 CSS行高值
 
 
 
 
   
   | 值 | 说明 | 
 
   
   | normal | 这是默认值。它指定法线高度。 | 
 
   
   | number | 它指定一个数字,该数字与当前字体大小相乘以设置行高。 | 
 
   
   | length | 用于以px,pt,cm等设置行高。 | 
 
   
   | % | 它以当前字体的百分比指定行高。 | 
 
   
   | initial | 它将此属性设置为其默认值。 | 
 
   
   | inherit | 它从其父元素继承了此属性。 | 
 
 
 
 CSS行高示例
 
 
  
   <!DOCTYPE html>
 <html>
 <head>
 <style>
 h3.small {
     line-height: 70%;
 }
 h3.big {
     line-height: 200%;
 }
 </style>
 </head>
 <body>
 <h3>
 This is a heading with a standard line-height.<br>
 This is a heading with a standard line-height.<br>
 The default line height in most browsers is about 110% to 120%.<br>
 </h3>
 <h3 class="small">
 This is a heading with a smaller line-height.<br>
 This is a heading with a smaller line-height.<br>
 This is a heading with a smaller line-height.<br>
 This is a heading with a smaller line-height.<br>
 </h3>
 <h3 class="big">
 This is a heading with a bigger line-height.<br>
 This is a heading with a bigger line-height.<br>
 This is a heading with a bigger line-height.<br>
 This is a heading with a bigger line-height.<br>
 </h3>
 </body>
 </html>