.site-content {
  position: relative;
  z-index: 800;
}

@media screen and (max-width: 768px) {
  /* .sidebar__niveau {
    display: none !important;
  } */
  .page-content {
    padding: 15px;
  }
  .project-item {
    position: static !important;
    height: auto !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .project-item__content {
    opacity: 1;
  }
  .project-item__inner:before {
    opacity: 0.5 !important;
  }
}