.PEM-container ul {
    list-style-type: none!important;
    margin: 0!important;
    padding: 0!important;
    overflow: hidden!important;
    background-color: #333!important;
}
.PEM-container li {
    float: left;
}
.PEM-container li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    outline: none;
}
.PEM-container li a:hover:not(.active) {
    background-color: #111;
}
.active {
    background-color: #4CAF50;
}
.PEM-container td{
    border-bottom: 1px solid grey;
    padding-right: 60px;
}