body {
  background: #333;
  font-family: sans-serif;
  padding: 0 100px;
  text-align: center;
}
h1 {
  color: #fff;
}
a {
  color: #aaa;
  margin: 10px;
}
a:hover {
  color: #fff;
}
.stage {
  text-align: left;
}
[class*='icono'] {
  color: #eee;
  opacity: 0.6;
}
span {
  padding: 10px;
  display: inline-block;
}
span:hover {
  transform: scale(1.5);
}
span:hover i {
  opacity: 0.8;
}