html {
    height: 100%;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    background-color: white;
    width: 50%;
    margin: 0 auto;
    padding: 0 0;
}

.menu {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 0px 10px;
}

.menu a, .footer a {
    color: white;
    text-decoration: none;
}

.menu a:hover, .footer a:hover {
    text-decoration: underline;
}

.menu a.active, .footer a.active {
    text-decoration: underline;
}

.menu ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
    padding: 0;
}
.menu ul li {
    padding: 20px 10px;

}

.menu ul li.selected {
    background-color: #555;
}

.footer {
    font-size: 0.8em;
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 10px;
}

.logo {
    max-height: 120px;
}

@media screen and (max-width: 800px) {
    .container {
        width: 100%;
    }
    .logo {
        max-height: auto;
        max-width: 100%;
        width: 100%;
    }
}