1button {
2  background-color: #fff;
3  border: 1px solid #25D366;
4  padding: 5px;
5  position: relative;
6  width: 6.2em;
7  height: 2em;
8  transition: 0.5s;
9  font-size: 17px;
10  border-radius: 0.4em;
11}
12
13button p {
14  position: absolute;
15  top: 0.4em;
16  left: 1.15em;
17  margin: 0;
18  padding: 0;
19  transition: .5s;
20  color: #25D366;
21}
22
23button svg {
24  position: absolute;
25  top: 0.45em;
26  right: 0.5em;
27  margin: 0;
28  padding: 0;
29  opacity: 0;
30  transition: 0.5s;
31  height: 1em;
32  fill: #fff
33}
34
35button:hover p {
36  left: 0.5em;
37  color: #fff
38}
39
40button:hover svg {
41  opacity: 1;
42}
43
44button:hover {
45  background-color: #25D366;
46}
47