body { max-width: 1366px; margin-left: auto; margin-right: auto;
		background-image: linear-gradient(#dad3ff, #e9f6ff); 
		font-family: Arial, Helvetica, sans-serif;
		}

.hide {
  display: none;
}
    
.myDIV:hover + .hide {
  display: block;
  margin-top: 5px;
  padding: 5px;
  color: #333;
  font-weight: normal;
  position: absolute;
  background-color: #eff;
}

.topnav {
  display: flex; flex-wrap: wrap;
   justify-content: space-evenly;
  margin: 0;
  padding: 3px;
  border-radius: 10px;
  background-color: #fec;
}

.topnav a {
  display: inline-block;
  font-size: 16px;
  color: white;  
  font-weight: bold;
  background-color: #f96;
  margin: 3px;
  border-radius: 10px;
  text-align: center;
  padding: 5px 25px;
  text-decoration: none;
}
.topnav a:hover:not(.active) {color: #f63;background-color: #ffd}