add background colors to test cases
1body {
2 padding: 0;
3 margin: 0;
4}
5
6div, span, img {
7 box-sizing: border-box;
8 position: relative;
9 border: 0 solid black;
10 margin: 0;
11 padding: 0;
12 display: flex;
13}
14
15body > * {
16 position: absolute;
17}
18
19div {
20 background-color: #222;
21}
22
23div > div {
24 background-color: #444;
25}
26
27div > div > div {
28 background-color: #666;
29}
30
31div > div > div > div {
32 background-color: #888;
33}
34
35div > div > div > div > div {
36 background-color: #aaa;
37}
38
39div > div > div > div > div > div {
40 background-color: #ccc;
41}
42
43div > div > div > div > div > div > div {
44 background-color: #eee;
45}