block-zero-height-1b-ref.html (397B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style type="text/css"> 5 #a { 6 height: 20px; 7 background-color: green; 8 margin-bottom: 20px; 9 } 10 #b { 11 background-color: red; 12 padding-top: 10px; 13 } 14 #c { 15 background-color: green; 16 padding-top: 20px; 17 } 18 #d { 19 height: 20px; 20 background-color: blue; 21 } 22 </style> 23 </head> 24 <body> 25 <div id="a"></div> 26 <div id="b"> 27 <div id="c"> 28 <div id="d"></div> 29 </div> 30 </div> 31 </body> 32 </html>