body {
    background-color: #ccccdd;
}

#container {
    width: 80em;
    margin-left: auto;
    margin-right: auto;
}

#header {
    width: 90%;
    height: 7em;
    margin-left: auto;
    margin-right: auto;

    background-color: #dddddd;

    border-radius: 25px;

    text-align: center;
}

#content {
    width: 85%;
    margin-left: auto;
    margin-right: auto;

    background-color: #99b;

    border-radius: 25px;
}

.content-box {
    width: 90%;

    margin-left: auto;
    margin-right: auto;

    background-color: #eee;

    border-radius: 15px;
    margin-top: 1em;

    padding-bottom: 1ex;
}

.content-box .box-header {
    font-size: 150%;
    color: #000033;
    text-align: center;
}

#footer {
    width: 70%;
    height: 3em;
    margin-left: auto;
    margin-right: auto;

    margin-top: 1em;

    padding-top: 1em;

    background-color: #eeddee;

    border-radius: 25px;

    text-align: center;
}