.bg-lila{
    background-color: #ebf3fe;
}

.blog__sidebar a.active { font-weight:700; text-decoration:underline; }

.dropdown-menu {
  display: none;
  position: absolute;
  z-index: 2050; /* her şeyin üstünde olsun */
}

.dropdown-menu.show {
  display: block;
}