border-collapse-opacity-table-cell-ref.html (1834B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" 2 "http://www.w3.org/TR/html4/strict.dtd"> 3 <html lang="en-US"> 4 <head> 5 <title>Table background tests</title> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <meta http-equiv="Content-Style-Type" content="text/css"> 8 <style type="text/css"> 9 10 html, body { margin: 0; padding: 0; border: 0; font-size: 16px; } 11 body { padding: 15px; } 12 13 .o { opacity: 0.5; } 14 15 /* 16 table { 17 margin: 0px 3px 2px 4px; 18 border-width: 4px 2px 8px 6px; 19 20 height is 97px: 21 (2px of border outside height) 22 extra border width for top row: 0 23 cell * 5: == 19px * 5 == 95px 24 border-top: 2px; 25 padding-top: 1px; 26 height: 10px; 27 padding-bottom: 4px; 28 border-bottom: 2px; 29 extra border width for top row: 2px 30 (4px of border outside height) 31 32 width is 287px: 33 (3px of border outside width) 34 extra border width for left column: 2px 35 cell * 5: == 57px * 5 == 285px 36 border-left: 1px; 37 padding-left: 3px; 38 width: 50px; 39 padding-right: 2px; 40 border-right: 1px; 41 (1px of border outside width) 42 */ 43 44 div { width: 57px; height: 19px; margin: 40px 118px 86px 123px; } 45 div.color { background-color: aqua; } 46 47 /* The use of opacity < 1 on this cell will create a stacking context, 48 which causes its background to be inset inside the (collapsed) borders, 49 see bug 1859523. Adjust the reference div to match. */ 50 div.color.o { width: 55px; height: 15px; margin: 42px 119px 88px 124px; } 51 52 div.imagetl, div.imagebr { 53 background-image: url(repeatable-diagonal-gradient-with-ticks.png); 54 } 55 56 div.imagetl { background-position: 1px 2px; } 57 div.imagebr { background-position: 56px 17px; } 58 59 </style> 60 </head> 61 <body> 62 63 <div class="color o"></div> 64 <div class="imagetl o"></div> 65 <div class="imagebr"></div> 66 67 </body> 68 </html>