.paragraph--type--galerie-interactive-2-colonnes .element.active {
  opacity: 1;
  border: 1px solid #000;
}

.paragraph--type--galerie-interactive-2-colonnes .colonne-gauche img,
.paragraph--type--galerie-interactive-2-colonnes .colonne-gauche a {
  transition: opacity 0.75s ease;
  opacity: 1;
}

.paragraph--type--galerie-interactive-2-colonnes .colonne-gauche img.fade {
  opacity: 0;
}

.paragraph--type--galerie-interactive-2-colonnes .colonne-gauche a.fade {
  opacity: 0;
}

.paragraph--type--galerie-interactive-2-colonnes .element {
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 0.5; /* inactive */
}

.paragraph--type--galerie-interactive-2-colonnes .element.active {
  opacity: 1;       /* active */
  border: 2px solid black;
  transform: scale(1.05); /* léger zoom si voulu */
}