block-zero-height-2b.html (411B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style type="text/css"> 5 #b { 6 height: 20px; 7 background-color: green; 8 } 9 #c { 10 margin-top: 30px; 11 margin-bottom: 40px; 12 height: 0; 13 } 14 #d { 15 height: 10px; width: 100px; 16 background-color: red; 17 } 18 #e { 19 height: 20px; 20 background-color: green; 21 } 22 </style> 23 </head> 24 <body> 25 <div id="b"></div> 26 <div id="a"> 27 <div id="c"> 28 <div id="d"></div> 29 </div> 30 </div> 31 <div id="e"></div> 32 </body> 33 </html>