1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title></title>
6 <style>
7 * {
8 margin: 0;
9 padding: 0;
10 }
11 #div1 {
12 width: 200px;
13 height: 200px;
14 background: yellow;
15 }
16
17 #div2 {
18 width: 100px;
19 height: 100px;
20 background: pink;
21 position: relative;
22 left: 50px;
23 top: 50px;
24 }
25 #div3 {
26 width: 50px;
27 height: 50px;
28 background: navajowhite;
29 position: relative;
30 left: 25px;
31 top: 25px;
32 }
33 </style>
34 </head>
35 <body>
36 <div id="div1">
37 <div id="div2">
38 <div id="div3"></div>
39 </div>
40 </div>
41 </body>
42 </html>