.navbar {
  overflow: hidden;
  background-color: #004040ec; 
  width: 100%;
  margin: 0%;
}

.navbar a {
  float: left;
  font-size: 18px;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-family: serif;
}

.subnav {
  float: left;
  overflow: hidden;
  font-family: serif;
}

.subnav .subnavbtn {
  font-size: 18px;  
  border: none;
  outline: none;
  color: white;
  font-family: serif;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
}

.navbar a:hover, .subnav:hover .subnavbtn {
  background-color: #006666;
  font-family: serif;
}

.subnav-content {
  display: none;
  position: absolute;
  min-width: 160px;
  background-color: #006666;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.subnav-content a {
  color: white;
  font-family: serif;
  float: none;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.subnav-content a:hover {
  background-color: #a1bbbb;
  display: block;
  color: black;
}

.subnav:hover .subnav-content {
  display: block;
}