#menulist > li {
  position: relative;
  display: inline-block;
  height: 35px;
  padding: 15px 10px 0px 10px;
  margin-right: 5px;
}
#menulist li > ul {
  position: absolute;
  top: 50px;
  left: 0px;

  background-color: #9FC8D9;
  box-shadow: 3px 3px 5px rgb(100 100 100 / 0.7);
  border-radius: 0px 0px 10px 10px;

  list-style: none;
  z-index: 1000;

  opacity: 0;
  visibility: hidden;
  transition: opacity 400ms ease, visibility 400ms ease;
}
#menulist li > ul > li {
  display: block;
  width: 120px;
  height: 35px;
  padding-top: 15px;
  padding-left: 10px;
  margin-right: 0;
}
#menulist li:hover ul {
  opacity: 1;
  visibility: visible;
}