1.button {
2  height: 3.5em;
3  padding: 0 2.5rem;
4  border-radius: 0.375rem;
5  background: #4503dc;
6  color: #fff;
7  -webkit-box-shadow: 0 0.4rem 0 0 #3700b8;
8  box-shadow: 0 0.4rem 0 0 #3700b8;
9  letter-spacing: 3px;
10  -webkit-transition: all 0.3s;
11  transition: all 0.3s;
12  font-family: sans-serif;
13  font-weight: 700;
14}
15
16.button:active {
17  -webkit-transform: translateY(0.3rem);
18  -ms-transform: translateY(0.3rem);
19  transform: translateY(0.3rem);
20  -webkit-box-shadow: 0 0.2rem 0 0 #3700b8;
21  box-shadow: 0 0.2rem 0 0 #3700b8;
22}