有没有办法在导航列表项上添加“悬停下拉菜单”？

Question

我有一个导航，我想在我的两个导航列表项目（左侧的前两个）上添加一个下拉菜单（悬停）。可能做到这一点的最佳方法是什么？我尝试了谷歌的一些解决方案，但没有一个对我有用，只是搞砸了我的导航。

这是我的导航:(扩展到整页以查看导航工作）

ul li {
  list-style: none;
}

html {
  font-family: "Roboto", serif;
}

.navigation {
  position: fixed;
  width: 100%;
  text-align: center;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.5em;
  height: 180px;
  font-family: "Roboto", serif;
  transition: all 0.5s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  background-color: rgba(175, 213, 123, 0.70);
}

.navigation ul {
  display: flex;
  flex-direction: row;
  margin: 0;
  padding: 0;
  z-index: 1;
}

.navigation ul li {
  float: left;
  padding: 0 20px;
  text-decoration: none;
  text-transform: uppercase;
  color: #222222;
  margin: -12px 0;
  letter-spacing: 0.200em;
  transition: all 0.5s ease;
}

.navigation ul li:hover {
  color: #ffa947;
  cursor: pointer;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation ul li {
    margin: 17px 0;
  }
}

.navigation ul li.reg {
  font-size: 10px;
  font-size: 0.625rem;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation ul li.reg {
    display: none;
  }
}

.navigation ul li.title {
  font-size: 24px;
  font-size: 1.5rem;
}

.navigation h1 {
  font-size: 24px;
  font-size: 1.5rem;
  color: #222222;
  font-weight: 300;
  z-index: 1;
  margin: 0;
  padding: 0;
  letter-spacing: 10px;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation {
    flex-direction: column;
    height: auto;
  }
}

.navigation.sticky {
  height: 55px;
  background-color: rgba(175, 213, 123, 1);
}

.navigation.sticky::after {
  opacity: 1;
  filter: alpha(opacity=100);
}

.navigation.sticky ul li {
  margin: 0;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation.sticky {
    height: auto;
  }
  .navigation.sticky .title {
    margin: 17px 0;
  }
}

.navigation .hidden {
  visibility: hidden;
  height: 0;
  display: none;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation .hidden {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    float: left;
  }
  .navigation .hidden li {
    margin: 0;
    padding: 10px 0;
    transition: all 0s;
  }
}

.navigation .hidth {
  display: none;
}

.navigation .switch .hidth {
  display: block;
}

.navigation .switch .unhid {
  display: none;
}

.navigation .hidden.showmenu {
  visibility: hidden;
  height: 0;
  display: none;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation .hidden.showmenu {
    visibility: visible;
    height: auto;
    display: block;
  }
  .navigation .hidden.showmenu li {
    width: 100%;
    float: left;
    transition: all 0s;
  }
  .navigation .hidden.showmenu li:last-child {
    padding-bottom: 30px;
  }
}

.navigation .bar {
  display: none;
  margin: 17px 0;
  font-size: 21px;
}

@media (min-width: 0) and (max-width: 770px) {
  .navigation .bar {
    display: block;
  }
}

.navigation .bar:hover {
  cursor: pointer;
}

<nav class="navigation">
  <ul>
    <a href="#">
      <li class="reg goHome">Kleingartenverein</li>
    </a>
    <a href="#">
      <li class="reg goug">UrbanGardening</li>
    </a>
    <a href="#">
      <li class="title gotop">GARDEN7</li>
    </a>
    <a href="#">
      <li class="reg goGalerie">Galerie</li>
    </a>
    <a href="#">
      <li class="reg goKontakt">Kontakt</li>
    </a>
    <span class="bar">
            <i class="fa fa-bars unhid" aria-hidden="true"></i> 
            <i class="fa fa-times hidth" aria-hidden="true"></i>
          </span>
  </ul>
  <ul class="hidden">
    <a href="#">
      <li class="goHomemob">Kleingartenverein</li>
    </a>
    <a href="#">
      <li class="goKleingartenvereinmob">Urban Gardening</li>
    </a>
    <a href="#">
      <li class="goGaleriemob">Galerie</li>
    </a>
    <a href="#">
      <li class="goKontaktmob">Kontakt</li>
    </a>
  </ul>

</nav>