embedded-doc-abs-pos-non-replaced-icb-vlr-015.html (2126B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 2 3 <html> 4 5 <head> 6 7 <meta http-equiv="content-type" content="text/html; charset=UTF-8"> 8 9 <title>Embedded HTML document for abs-pos-non-replaced-icb-vlr-015 in 'writing-mode: vertical-lr'</title> 10 11 <!-- 12 position absolute and 'vertical-rl' - 'width' and 'right' are 'auto' and 'left' is not 'auto' with 'direction: ltr' in initial containing block 13 --> 14 15 <style type="text/css"> 16 html 17 { 18 direction: ltr; 19 } 20 21 div 22 { 23 border-left: green solid 25px; 24 border-right: green solid 75px; 25 height: 100px; 26 left: 60%; 27 position: absolute; 28 right: auto; 29 top: 0px; 30 width: auto; 31 writing-mode: vertical-lr; 32 } 33 34 /* 35 " 36 3. [If] 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width is shrink-to-fit. Then solve for 'right' 37 " 38 10.3.7 Absolutely positioned, non-replaced elements 39 http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width 40 41 So: 42 43 60% : left 44 + 45 0px : margin-left 46 + 47 25px : border-left-width 48 + 49 0px : padding-left 50 + 51 auto : width (set to shrink-to-fit) 52 + 53 0px : padding-right 54 + 55 75px : border-right-width 56 + 57 0px : margin-right 58 + 59 solve : right 60 ==================== 61 500px : width of containing block (width of Initial Containing Block) 62 63 becomes 64 65 300px : left (60% of 500px == 300px) 66 + 67 0px : margin-left 68 + 69 25px : border-left-width 70 + 71 0px : padding-left 72 + 73 0px : width (shrink-to-fit) 74 + 75 0px : padding-right 76 + 77 75px : border-right-width 78 + 79 0px : margin-right 80 + 81 solve : right 82 ==================== 83 500px : width of containing block (width of Initial Containing Block) 84 85 so used right offset value must be 100px. 86 87 */ 88 </style> 89 </head> 90 91 <body> 92 93 <div></div> 94 95 </body> 96 </html>