image_圖片兩側自動隱藏

 

 

<div>
 <a>
 <img src="1.jpg"/>
 </a>
</div> div{position:relative;} a{position:absolute;top:-100%;bottom:-100%;left:-100%;right:-100%;text-align:center;} a:before{content:"";display:inline-block;vertical-align:middle;height:100%;} img{vertical-align:middle;}