.btn {
  padding: 8px 10px;
  display: inline-block;
  border-radius: 4px;
  cursor: pointer;
}
.btn-primary {
  background: skyblue;
}
.btn-primary:hover {
  background: lightblue;
}
.btn-default {
  border: 1px solid skyblue;
}
.btn-default:hover {
  color: skyblue;
}