
ul {
    list-style-type: none;
     background-color: #0000FF;
     overflow: hidden;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 20px 20px;
    text-decoration: none;
}

th {
    font-weight: bold;
}
