1.space-btn {
2  background: #FBFBFF;
3  border: 2px solid #FF4F00;
4  color: #363537;
5  font-size: 1rem;
6  font-weight: bold;
7  line-height: 1;
8  letter-spacing: 1px;
9  padding: .5rem .75rem;
10  font-family: monospace;
11  border-radius: 4px;
12  display: flex;
13  align-items: center;
14  box-shadow: 0 2px 1px rgba(0,0,0,0.09), 
15              0 4px 2px rgba(0,0,0,0.09), 
16              0 8px 4px rgba(0,0,0,0.09), 
17              0 16px 8px rgba(0,0,0,0.09),
18              0 32px 16px rgba(0,0,0,0.09);
19  transition: .3s ease-in;
20}
21
22.space-btn:hover {
23  background: #FF4F00;
24  color: white;
25}
26
27.space-btn svg {
28  width: 1em;
29  height: 1em;
30  color: currentColor;
31  margin-right: .5rem;
32}