block-first-child-8c.html (341B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style type="text/css"> 5 #separator { 6 height: 40px; 7 background-color: green; 8 } 9 #first-child { 10 height: 40px; 11 margin-top: -20px; 12 background-color: blue; 13 } 14 #parent { 15 margin-top: -20px; 16 } 17 </style> 18 </head> 19 <body> 20 <div id="separator"></div> 21 <div id="parent"> 22 <div id="first-child"></div> 23 </div> 24 </body> 25 </html>