.custom {
  --cassiopeia-color-primary: #b657b5;
  --cassiopeia-color-link: #643038;
  --cassiopeia-color-hover: #643038;
}

.bw {
  --cassiopeia-color-primary: #000;
  --cassiopeia-color-hover: #999;
  --cassiopeia-color-link: #666;
}
.bw .container-banner .banner-overlay {
	height: 40vh;  /* hauteur de la bannière du site à 40% du viewport
}