css
/* Style the navbar */
.navbar {
    overflow: hidden;
    background-color: #333;
}

/* Style the links inside the navbar */
.navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

/* Change color on hover */
.navbar a:hover {
    background-color: #ddd;
    color: black;
}

/* Style the active/current link */
.navbar a.active {
    background-color: #04aa6d;
    color: white;
}

/* Style the container */
.container {
    padding: 16px;
}

/* Style the header */
header {
    padding: 20px;
}

/* Style the footer */
footer {
    padding: 10px;
    text-align: center;
    background-color: #f2f2f2;}