.sidebar {
    background-color: #181818 !important;
    color: #ffffff !important;
}

.menu-list span {
  color: #ffffff !important;
}

.menu-list a:hover {
  background-color: #595959 !important;
}

.menu-list a.is-active {
    background-color: #333333 !important;
    color: #ffffff !important;
}