*{
 background-color: #afb;
}
.navbar{
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
}

.navbar li{
   position: relative;
   float: left;
}

.navbar li a{
    display: block;
    padding: 14px 20px;
    text-decoration: none;
    color: #fff;
    background-color: #333;
}

.dropdown-content{
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
}

.dropdown-content a{
    color: #fff;
    padding: 12px 16px;
    text-decoration: none;
}
.dropdown-content a:hover{
    background-color: #555;
}

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