@media all and (min-width:991px) {
  .dropdown:after {
    content: '';
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transition: opacity .15s ease-in-out;
    opacity: 0;
    visibility: hidden;
    background-color: rgba(0,0,0,.7);
    pointer-events: none;
  }
}

@media all and (min-width:991px) {
  .dropdown.show .nav-link {
    position: relative;
    z-index: 12;
  }
}

@media all and (min-width:991px) {
  .dropdown.show:after {
    z-index: 10;
    opacity: 1;
    visibility: visible;
    position: fixed;
  }
}

.sousmat {
  /*line-height: 1.5;*/
}

.sousmat a {
  color: inherit;
  /*border-radius: 5px;*/
}

.sousmat.active {
  background: rgba(4,220,4,0.74);
  color: white;
  padding: 0.5rem;
  border-radius: 5px;
  margin-bottom: 5px;
  font-weight: 500;
}

.sousmat {
  background: white;
  border-radius: 5px;
  padding: 0.5rem;
  margin-bottom: 5px;
}

.list-group-item.active {
  background: rgba(128,128,128,0.1);
  color: black;
  border: none;
}