Pattern by bociKond

1.container {
2  width: 100%;
3  height: 100%;
4  background: radial-gradient(
5      50% 50% at 100% 0,
6      #ca3f3f 0% 5%,
7      #ffffff 6% 15%,
8      #ca3f3f 16% 25%,
9      #ffffff 26% 35%,
10      #ca3f3f 36% 45%,
11      #ffffff 46% 55%,
12      #ca3f3f 56% 65%,
13      #ffffff 66% 75%,
14      #ca3f3f 76% 85%,
15      #ffffff 86% 95%,
16      #0000 96%
17    ),
18    radial-gradient(
19      50% 50% at 0 100%,
20      #ca3f3f 0% 5%,
21      #ffffff 6% 15%,
22      #ca3f3f 16% 25%,
23      #ffffff 26% 35%,
24      #ca3f3f 36% 45%,
25      #ffffff 46% 55%,
26      #ca3f3f 56% 65%,
27      #ffffff 66% 75%,
28      #ca3f3f 76% 85%,
29      #ffffff 86% 95%,
30      #0000 96%
31    ),
32    radial-gradient(
33      50% 50%,
34      #ca3f3f 0% 5%,
35      #ffffff 6% 15%,
36      #ca3f3f 16% 25%,
37      #ffffff 26% 35%,
38      #ca3f3f 36% 45%,
39      #ffffff 46% 55%,
40      #ca3f3f 56% 65%,
41      #ffffff 66% 75%,
42      #ca3f3f 76% 85%,
43      #ffffff 86% 95%,
44      #0000 96%
45    ),
46    radial-gradient(
47        50% 50%,
48        #ca3f3f 0% 5%,
49        #ffffff 6% 15%,
50        #ca3f3f 16% 25%,
51        #ffffff 26% 35%,
52        #ca3f3f 36% 45%,
53        #ffffff 46% 55%,
54        #ca3f3f 56% 65%,
55        #ffffff 66% 75%,
56        #ca3f3f 76% 85%,
57        #ffffff 86% 95%,
58        #0000 96%
59      )
60      38px 38px;
61  background-size: 76px 76px;
62  background-color: #ca3f3f;
63}
64