.dropbtn {
  background-color: #4CAF50;
  color: white;
  padding: 5px 15px;
  /*font-size: 16px;*/
  border: none;
  cursor: pointer;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color:   #577180;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  color: white;
  padding: 5px 15px;
  text-decoration: none;
  display: block;
}

.dropdown-content a:hover {background-color: #577180;}

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

.dropdown:hover .dropbtn {
  background-color: #3e8e41;
}