.join-form-page .card-header {
    padding: 10px 15px;
    border-bottom: 1px solid transparent;
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
    color: #333;
    background-color: #f5f5f5;
    border-color: #ddd;
}

.join-form-page .card-title {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 16px;
    color: inherit;
    font-weight: normal;
}

.join-form-page {
    margin-top: 70px;
}

/* Conteneur principal de la carte */
.card {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid #dee2e6;
  border-radius: 0.25rem;
}

/* En-tête de la carte */
.card-header {
  padding: 0.75rem 1.25rem;
  margin-bottom: 0;
  background-color: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid rgba(0, 0, 0, 0.125);
  border-top-left-radius: 0.25rem;
  border-top-right-radius: 0.25rem;
}

/* Corps de la carte */
.card-body {
  flex: 1 1 auto;
  padding: 1.25rem;
}

/* Pied de la carte */
.card-footer {
  padding: 0.75rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.03);
  border-top: 1px solid rgba(0, 0, 0, 0.125);
  border-bottom-right-radius: 0.25rem;
  border-bottom-left-radius: 0.25rem;
}

/* Titre de la carte */
.card-title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  font-weight: 500;
}

/* Sous-titre de la carte */
.card-subtitle {
  margin-top: -0.375rem;
  margin-bottom: 0;
  font-size: 0.875rem;
  color: #6c757d;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.form-actions .btn-link {
  border: 1px solid #dddddd;
  border-radius: 3px;
  color: black;
  padding: 5px 10px;
}

.navbar {
  margin-bottom: 0;
}