.topnav{
	overflow: hidden;
	background-color: #333;
}
.topnav a{
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    transition: .3s ease-in-out;
}
.topnav a:hover{
    background-color: #7dccff;
    color: black;
}
.topnav .icon{
    display: none;
}
@media screen and (max-width: 600px) {
    .topnav a:not(:first-child){
        display: none;
    }
    .topnav a.icon{
        float: right;
        display: block;
        transition: 0.3s ease-in-out;
    } 
}
@media screen and (max-width: 600px){
    .topnav.responsive{
        position: relative;
        transition: 0.3s ease-in-out;
    }
    .topnav.responsive .icon{
        position: absolute;
        right: 0;
        top: 0;
        transition: 0.3s ease-in-out;
    }
    .topnav.responsive a{
        float: none;
        display: block;
        text-align: left;
        transition: 0.3s ease-in-out;
    }
}