1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style> 5 div{ 6 border:1px solid; 7 } 8 .bb{ 9 position:absolute; 10 width:200px; 11 height:20px; 12 text-align: center; 13 transform: rotate(-90deg); 14 transform-origin: 0 0; 15 top:50%; 16 margin-top:100px; 17 } 18 .aa{ 19 position:relative; 20 width:20px; 21 height:500px; 22 } 23 </style> 24 </head> 25 26 <body> 27 28 <div class="aa"> 29 <div class="bb"><span>ABCDEFGasdfasfa</span></div> 30 </div> 31 32 </body> 33 </html>
