.navbar_left .submenu-l2 {
  padding: 1rem;
  background-color: var(--imr-light-blue);
  position: absolute;
  left: 150px;
  z-index: 5;
  /* width: 240px; */
  border: 1px solid #000000;
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: 0.5s ease-in-out;
}

.navbar_left {
  background: var(--imr-light-blue);
  display: block;
  padding: 1rem;
  min-height: 100%;
  color: white;
}

.navbar_left ul, 
.navbar_left li,
.navbar_left a {
  display: block;
  text-decoration: none;
  padding: 3px 0px;
}

.navbar_left a {
  text-decoration: none;
  color: var(--imr-bg-white);
}

.navbar_left .submenu-l1 {
  padding-left: 1rem;
}

.navbar_left li a:hover {
  background-color: var(--imr-blue);
}

.navbar_left li:hover > .submenu-l2 {
  visibility: visible;
  opacity: 1;
  transform: translateY(5px);
}