1.loader {
2  margin: auto;
3  width: 100px;
4  height: 30px;
5  overflow: hidden;
6  position: relative;
7  background: rgba(0, 0, 0, 0.3);
8  border-radius: 5px;
9  box-shadow: 0px 35px 0 -5px #aaa, 0 -5px 0 0px #ddd, 0 -25px 0 -5px #fff,
10    -25px -30px 0 0px #ddd, -25px 30px 0 0px #ddd, 25px -30px 0 0px #ddd,
11    25px 30px 0 0px #ddd, 20px 10px 0 5px #ddd, 20px -10px 0 5px #ddd,
12    -20px -10px 0 5px #ddd, -20px 10px 0 5px #ddd;
13}
14
15.loader:after,
16.loader:before {
17  content: "";
18  border-radius: 100%;
19  width: 35px;
20  height: 35px;
21  display: block;
22  position: absolute;
23  border: 4px dashed #fff;
24  bottom: -4px;
25  transform: rotate(0deg);
26  box-sizing: border-box;
27  animation: tape 4s linear infinite;
28}
29
30.loader:before {
31  right: 0;
32  box-shadow: 0 0 0 4px #fff, 0 0 0 34px #000;
33}
34
35.loader:after {
36  left: 0;
37  box-shadow: 0 0 0 4px #fff, 0 0 0 65px #000;
38}
39
40@keyframes tape {
41  0% {
42    transform: rotate(0deg) scale(0.4);
43  }
44
45  100% {
46    transform: rotate(-360deg) scale(0.4);
47  }
48}
49