* {
    margin: 0;
    padding: 0;
}

header {
    width: 100%;
    height: 80px;
    text-align: center;
}

header ul {
    list-style-type: none;
    background-color: #333;
}

header ul li {
    display: inline-block;
    height: 100%;
}

header ul li a {
    text-decoration: none;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    line-height: 80px;
}

#banner {
    height: 500px;
    width: 100%;
    background-image: url(../images/travel.jpg);
    background-position: bottom center;
    margin: 100 0 0 0;
}

#content {
    width: 80%;
    margin-top: 40px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
    background-color: #333;
    padding: 40px;
}

#content > p {
    margin-bottom: 20px;
    font-size: 1.5em;
    color: #fff;
}

footer {
    height: 50px;
    background-color: #333;
    text-align: center;
}

footer p {
    color: #fff;
    line-height: 50px;
    font-size: 1.5em;
}