body {
    width: 100%;
    max-width: 1024px;
    margin: auto;
    background-color: #999;
}

header {
    margin: 0px;
}

main {
    margin: 0px;
}

h1 {
    text-align: center;
}

#nav-container {
    overflow: hidden;
    top: 0;
    background-color: #DDD;
}
#nav-container ul {
    margin: auto;
}

#nav-container li {
    display: inline-block;
    margin: 10px;
    font-size: 14px;
}

.container p {
    text-align: center;
    margin: 40px 160px 0 160px;
}

.container img {
    display: block;
    margin: auto;
}

.container {
    margin-top: 40px;
}
header,
main,
footer {
    background-color: #ddd;
    font-size: 16px;
    margin-top: 0;
    margin-bottom: 0;
}

footer {
    text-align: center;
    height: 100px;
    padding-top: 80px;
}