.active1 {
    background-color: #f1f1f1;
    font-size: 19px;
    color: white;
    text-shadow: 2px 2px 4px #000000;
}


ul.topnav {
    font-size: 19px;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    //background-color: #f1f1f1;
    background-color: red;
    border-bottom:1px solid #bbb;
}

ul.topnav li {float: left;}

ul.topnav li a {
    display: block;
    color: gray;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

   ul.topnav li a:hover:not(.active) {background-color: lightcyan;}
// ul.topnav li a:hover:not(.active) {background-color: red;}

ul.topnav li a.active {background-color: silver;}

ul.topnav li.right {float: right;}



.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1;}

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



@media screen and (max-width: 600px){
    ul.topnav li.right, 
    ul.topnav li {float: none;}

.dropdown-content {width:45%;}

}