1.button {
2  width: 90px;
3  height: 90px;
4  border-radius: 15px;
5  -webkit-backdrop-filter: blur(10px);
6  backdrop-filter: blur(10px);
7  background-color: rgba(255, 255, 255, 0.1);
8  border: 0px;
9  cursor: pointer;
10  outline: 0px;
11  padding: 0 2px;
12  font-weight: 600;
13  font-size: 18px;
14  color: white;
15  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
16}
17
18.backdrop {
19  position: absolute;
20  width: 80px;
21  height: 80px;
22  background-color: rgb(36, 33, 228);
23  z-index: -1;
24  top: 50%;
25  left: 50%;
26  border-radius: 15px;
27  transform: translateX(-50%) translateY(-50%);
28  transition: all ease-in-out 0.5s;
29}
30
31.button:hover + .backdrop {
32  top: 48%;
33  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
34  transform: rotate(15deg) translateX(-50%) translateY(-50%);
35}
36
37.button:active,.button:active +.backdrop {
38  box-shadow: none;
39}