.topnav {
    background: #20bdbe;
    background-image: linear-gradient(to bottom, #20B6B4, #20C4C8); 
}

.topnav a,
.dropdown {
/*    background: #00aeef;
    background-image: linear-gradient(to bottom, #00B5F9, #00A7E5); */
}
	
.nav_active {
  background-color: #4CAF50;
}

.dropdown-content {
  background-color: #f9f9f9;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
	background: #00aeef;
}

.topnav a:hover, .dropdown:hover .dropbtn {
      background: #0060af;
}

.topnav a:active {
	background-color: #006b6b;
}