.content-menu {
  position: relative;
}

#nnavv {
  list-style: none;
  font-weight: bold;
  padding-left: 0;
}

#nnavv li a {
  text-decoration: none;
}

#nnavv li a:hover {
  text-decoration: underline;
}

/* НАСТРАИВАЕМ ВЫПАДАЮЩИЕ ЭЛЕМЕНТЫ!!! */
#nnavv ul {
  list-style: none;
  left: -9999px;
  opacity: 0;
  -webkit-transition: 0.24s linear opacity;
  position: absolute;
  z-index: 100;
  top: 30px;
  background-color: #ffffff;
  padding-left: 0;
  border: 1px solid #ddd;
  min-width: 200px;
}

#nnavv ul li {
  padding: 6px 20px;
  float: none;
  margin-right: 0;
}

#nnavv li a {
  transition: all 0.1s;
}

#nnavv li:hover a {
  color: #121212;
}

#nnavv ul a {
  display: block;
  white-space: nowrap;
}

#nnavv li:hover ul {
  left: 0;
  opacity: 1;
}

#nnavv li:hover a {
  text-decoration: underline;
}

#nnavv li:hover ul a {
  text-decoration: none;
  transition: all 0.1s;
}

#nnavv ul li:hover {
  background-color: #f5f5f5;
}