nav ul  {
    list-style: none;
    width: 100%;
}
nav li  {
    text-align: center;
    font-size: 30px;
    float: left;
    min-width: 13%;
    min-width: 120px; 
}
nav:after { 
    content: ""; 
    display: table;
    clear: both;
}
a.selected {
    color: #ffffff;
}
li.selected { 
    border-bottom: 3px solid #ffffff;
}
nav a:hover{
    transform: translateY(-4px);
    transition: 100ms;
}
nav li:hover{
    border-bottom: 3px solid #ffffff;
    transition: 100ms;
}
nav li{
    border-bottom: 3px solid transparent;   
}
nav .left-border {
    border-left: none;
}
/*#dropdown {
    position: relative;
    display: inline-block;
}
div.dropdown-content {
    display: none;
    position: absolute;
    z-index: 1;
}
.dropdown-content .dropdown-item {
    display: block;
}
.dropdown:hover .dropdown-content {
    display: block;
}*/ 
@media screen and (max-width: 600px) {
    nav ul {
        list-style: none;
    }
    nav li {
        text-align: center;
        font-size: 30px;
        float: none;
        width: 100%;
        min-width: none;
    }
    li.selected { 
        border-bottom: none;
        border-right: 3px solid #ffffff;
    }
    nav a:hover{
        transform: translateX(-4px);
        transform: translateY(none);
    }
    nav li:hover{
        border-bottom: none;
        border-right: 3px solid #ffffff;
    }
    nav li{
        border-bottom: 3px solid transparent;     
    }
}