ul,li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.gnav__lists {
  display: flex;
  justify-content: space-between;
}
.gnav__list {
  height: 40px;
  background-color: #ddd;
  position: relative;
  width: 19.5%;
}
.gnav__list:hover {
  background-color: #ddd;
}
.gnav__list a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: #333;
}
.gnav__list:hover a {
  background-color: #999;
  color: #fff;
}

.gnav__dropdownLists {
  display: none;
  width: 100%;
  position: absolute;
  top: 40px;
  left: 0;
}
.gnav__list:hover .gnav__dropdownLists {
  display: block;
}
.gnav__dropdownList {
  background-color: #ddd;
  height: 60px;
  position: relative;
}
.gnav__dropdownList a {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-decoration: none;
  position: relative;
}
.gnav__dropdownList a:hover {
  background-color: #eee;
  color: #333;
}