CSS: vertical-align

"en">


  "UTF-8">
  "X-UA-Compatible" content="IE=edge">
  "viewport" content="width=device-width, initial-scale=1.0">
  
  



  
class="parent">
    "bb.png" alt="">
    class="span-1">the quick brown foxp
    
class="foo">
    
    class="span-2">jump over the lazy dog.
    
class="bar">
  

所有元素会按照其vertical-align对齐, 最高元素的顶部于父元素顶部重合