*{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
}

.menu{
    text-align: center;
    background-color: black;
    padding: 50px;
}

.menu ul{
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu ul li{
    display: inline-block;
}

.menu ul li ul{
    display: none;
    position: absolute;
    min-width: 115px;
}

.menu ul li:hover> ul{
    display: block;
    background-color: black;
}

.menu ul li ul a{
    text-decoration: none;
    padding: 1px 10px;
    margin: 25px;
    color: yellow;
}

.menu ul li a{
    text-decoration: none;
    padding: 5px 10px;
    margin: 15px;
    color: yellow;
}

.menu ul li a:hover {
    border-bottom: 2px solid;
}