* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

.main {
    padding: 10px;
}

.nav-bar {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: #333;
}

.nav-bar a {
    color: #fff;
    text-decoration: none;
    display: inline-block;
    padding: 12px;
    display: block;
    float: left;
}

.nav-bar a:hover {
    background-color: #0081cb;
}

.nav-bar .icon {
    float: right;
    display: none;
}

@media screen and (max-width: 600px) {
    .nav-bar a:not(:first-child) {
        display: none;
    }
    .nav-bar a.icon {
        display: block;
        float: right;
    }
}

@media screen and (max-width: 600px) {
    .nav-bar.responsive a.icon {
        position: absolute;
        right: 0;
        bottom: 0;
    }

    .nav-bar.responsive a {
        float: none;
        display: block;
        text-align: center;
    }
}