1.frame {
2  position: absolute;
3  top: 50%;
4  left: 50%;
5  margin-top: -200px;
6  margin-left: -200px;
7}
8
9.center {
10  position: absolute;
11  width: 220px;
12  height: 220px;
13  top: 90px;
14  left: 90px;
15}
16
17.dot-1 {
18  position: absolute;
19  z-index: 3;
20  width: 30px;
21  height: 30px;
22  top: 95px;
23  left: 95px;
24  background: #fff;
25  border-radius: 50%;
26  -webkit-animation-fill-mode: both;
27  animation-fill-mode: both;
28  -webkit-animation: jump-jump-1 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
29  animation: jump-jump-1 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
30}
31
32.dot-2 {
33  position: absolute;
34  z-index: 2;
35  width: 60px;
36  height: 60px;
37  top: 80px;
38  left: 80px;
39  background: #fff;
40  border-radius: 50%;
41  -webkit-animation-fill-mode: both;
42  animation-fill-mode: both;
43  -webkit-animation: jump-jump-2 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
44  animation: jump-jump-2 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
45}
46
47.dot-3 {
48  position: absolute;
49  z-index: 1;
50  width: 90px;
51  height: 90px;
52  top: 65px;
53  left: 65px;
54  background: #fff;
55  border-radius: 50%;
56  -webkit-animation-fill-mode: both;
57  animation-fill-mode: both;
58  -webkit-animation: jump-jump-3 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
59  animation: jump-jump-3 2s cubic-bezier(0.21, 0.98, 0.6, 0.99) infinite alternate;
60}
61
62@keyframes jump-jump-1 {
63  0%, 70% {
64    box-shadow: 2px 2px 3px 2px rgba(0, 0, 0, 0.2);
65    -webkit-transform: scale(0);
66    transform: scale(0);
67  }
68
69  100% {
70    box-shadow: 10px 10px 15px 0 rgba(0, 0, 0, 0.3);
71    -webkit-transform: scale(1);
72    transform: scale(1);
73  }
74}
75
76@keyframes jump-jump-2 {
77  0%, 40% {
78    box-shadow: 2px 2px 3px 2px rgba(0, 0, 0, 0.2);
79    -webkit-transform: scale(0);
80    transform: scale(0);
81  }
82
83  100% {
84    box-shadow: 10px 10px 15px 0 rgba(0, 0, 0, 0.3);
85    -webkit-transform: scale(1);
86    transform: scale(1);
87  }
88}
89
90@keyframes jump-jump-3 {
91  0%, 10% {
92    box-shadow: 2px 2px 3px 2px rgba(0, 0, 0, 0.2);
93    -webkit-transform: scale(0);
94    transform: scale(0);
95  }
96
97  100% {
98    box-shadow: 10px 10px 15px 0 rgba(0, 0, 0, 0.3);
99    -webkit-transform: scale(1);
100    transform: scale(1);
101  }
102}
103