1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
<!doctype html><html><head><meta charset="UTF-8"></head><body class="header">
<style>
.fixed { position: fixed; top: 40px; right: 20px; margin-top: 20px; background: #ccf; }
.fixed-bottom-right { position: fixed; bottom: 4em; right: 25%; margin: 20px; background: #ccf; }
#absolute-container { position: relative; height: 150px; margin: 20px; }
.absolute { position: absolute; top: 20px; left: 400px; background: #fcc; }
.absolute-bottom-right { position: absolute; bottom: 20px; right: 50px; background: #fcc; }
.absolute-all-4 { position: absolute; top: 100px; bottom: 10px; left: 20px; right: 700px; background: #fcc; }
.absolute-negative { position: absolute; bottom: -25px; background: #fcc; }
.absolute-width-margin { position: absolute; top: 20px; right: 20px; width: 450px; margin: .3em; padding: 10px; border: 2px solid red; box-sizing: border-box; background: #fcc; }
.relative { position: relative; top: 10px; left: 10px; background: #cfc;}
.relative-inline { position: relative; top: 10px; left: 10px; display: inline; background: #cfc;}
.static { position: static; top: 10px; left: 10px; background: #fcf; }
.static-size { position: static; top: 10px; left: 10px; width: 300px; height: 100px; background: #fcf; }
#sticky-container {
margin: 50px;
height: 400px;
width: 400px;
padding: 40px;
overflow: scroll;
}
#sticky-container dl {
margin: 0;
padding: 24px 0 0 0;
}
#sticky-container dt {
background: #ffc;
border-bottom: 1px solid #989EA4;
border-top: 1px solid #717D85;
color: #FFF;
font: bold 18px/21px Helvetica, Arial, sans-serif;
margin: 0;
padding: 2px 0 0 12px;
position: sticky;
width: 99%;
top: 0px;
}
#sticky-container dd {
font: bold 20px/45px Helvetica, Arial, sans-serif;
margin: 0;
padding: 0 0 0 12px;
white-space: nowrap;
}
#sticky-container dd + dd {
border-top: 1px solid #CCC
}
</style>
<h1>Positioning playground</h1>
<p>A demo of various positioning schemes: <a href="http://dev.w3.org/csswg/css-position/#pos-sch">http://dev.w3.org/csswg/css-position/#pos-sch</a>.</p>
<p>absolute, static, fixed, relative, sticky</p>
<h2>Absolute positioning</h2>
<div class="absolute">
Absolute child with no relative parent
</div>
<div id="absolute-container">
<div class="absolute">
Absolute child with a relative parent
</div>
<div class="absolute-bottom-right">
Absolute child with a relative parent, positioned from the bottom right
</div>
<div class="absolute-all-4">
Absolute child with a relative parent, with all 4 positions
</div>
<div class="absolute-negative">
Absolute child with a relative parent, with negative positions
</div>
<div class="absolute-width-margin">
Absolute child with a relative parent, size, margin
</div>
</div>
<h2>Relative positioning</h2>
<div id="relative-container">
<div class="relative">
Relative child
</div>
<div style="width: 100px;">
<div class="relative-inline">
Relative inline child, across multiple lines
</div>
</div>
<div style="position:relative;">
<div class="relative">
Relative child, in a positioned parent
</div>
</div>
</div>
<h2>Fixed positioning</h2>
<div id="fixed-container">
<div class="fixed">
Fixed child
</div>
<div class="fixed-bottom-right">
Fixed child, bottom right
</div>
</div>
<h2>Static positioning</h2>
<div id="static-container">
<div class="static">
Static child with no width/height
</div>
<div class="static-size">
Static child with width/height
</div>
</div>
</body></html>
|
