1 <html>
2 <head lang="en">
3 <meta charset="UTF-8">
4 <title></title>
5 </head>
6 <style>
7
8 #one{
9 width: 400px;
10 height: 400px;
11 border: 1px solid #000;
12 position: relative;
13 }
14 #two{
15 width: 200px;
16 height: 200px;
17 background-color: red;
18 position: absolute;
19 top: 50%;
20 left: 50%;
21 margin-left: -100px;
22 margin-top: -100px;
23
24 }
25 </style>
26 <body>
27 <div id="one">
28 <div id="two"></div>
29 </div>
30 </body>
31 </html>
1 <html>
2 <head lang="en">
3 <meta charset="UTF-8">
4 <title></title>
5 </head>
6 <style>
7 #one{
8 width: 400px;
9 height: 400px;
10 border: 1px solid #000;
11 position: relative;
12 }
13
14 #two{
15 width: 200px;
16 height: 200px;
17 background-color: red;
18 position: absolute;
19 margin: auto;
20 top: 0;
21 left: 0;
22 right: 0;
23 bottom: 0;
24 }
25 img {
26 display:table-cell;
27 text-align:center;
28 vertical-align:middle;
29 }
30 </style>
31 <body>
32 <div id="one">
33 <div id="two"></div>
34 <img src="" alt=""/>
35 </div>
36 </body>
37 </html>
