background-position-3-ref.html (499B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <title>background-position: center bottom 75% reference</title> 5 <style type="text/css"> 6 #outer 7 { 8 border: 1px solid black; 9 width: 128px; 10 height: 128px; 11 } 12 #inner1 13 { 14 margin-left: 48px; /** 128px - 128px * 0.50 - 32px * 0.50 **/ 15 margin-top: 24px; /** 128px - 128px * 0.75 + 32px * 0.75 - 32px **/ 16 width: 32px; 17 height: 32px; 18 background-image: url(aqua-32x32.png); 19 } 20 </style> 21 </head> 22 <body> 23 <div id="outer"><div id="inner1"></div></div> 24 </body> 25 </html>