block-clear-6abc-left-ref.html (399B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style type="text/css"> 5 .separator { 6 height: 20px; 7 background-color: green; 8 } 9 #parent { 10 background-color: lime; 11 height: 100px; 12 } 13 #float { 14 width: 100px; height: 100px; 15 background-color: blue; 16 margin-right: auto; 17 } 18 </style> 19 </head> 20 <body> 21 <div class="separator"></div> 22 <div id="parent"> 23 <div id="float"></div> 24 </div> 25 <div class="separator"></div> 26 </body> 27 </html>