.header-10-sub .background {
  background-image: url("../photos/accueil/accueil.jpg");
  opacity: 85;
  filter: alpha(opacity=8500);
  opacity: 0.85;
  filter: alpha(opacity=85);
}
.header-10 .header-background {
  background: #1b1f23;
}
.header-10 .btn:hover,
.header-10 .btn.active,
.header-10 .btn:focus {
  background-color: #2ecc71;
}

.header-10 .btn {
	font-family: 'Nunito', sans-serif;
}