block-em-length-1.html (331B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style type="text/css"> 5 body { 6 font-size: 20px; 7 } 8 #block1 { 9 height: 20px; 10 margin-bottom: 10em; 11 background-color: blue; 12 } 13 #block2 { 14 font-size: 50px; 15 height: 20px; 16 margin-top: 5em; 17 background-color: blue; 18 } 19 </style> 20 </head> 21 <body> 22 <div id="block1"></div> 23 <div id="block2"></div> 24 </body> 25 </html>