.site-description {display: inline-block; margin-left: 10px;}
  :root{
  --cassiopeia-color-primary : #0174DF;
  --cassiopeia-color-link: #30638d;
  --cassiopeia-color-hover: #954b56;
}
/*couleur bandeau*/
  .container-header {
  background: var(--cassiopeia-color-primary);
}
/*taille de la police du menu (a ajuster)*/
.navbar a,
.navbar button {
  font-size: 1rem;
}