body {
    background-color: #ffe;
}

img {
    border-radius: 6px;
}

#main_body {
    max-width: 900px;
    margin: auto;
    background-color: #fff;
    border-radius: 6px;
    padding: 10px;
    border: 1px solid #b200ff;
}

#header {
    border-bottom: 1px solid #009;
}

#header_title {
    font-size: 2em;
    font-weight: bold;
    text-align: center;
}

#header_sub_title {
    font-size: 1.2em;
    font-weight: bold;
    text-align: center;
    color: #b200ff;
}

#footer {
    font-size: 0.8em;
    border-top: 1px solid #009;
    text-align: center;
    margin-top: 5px;
}

.body_content_column {
    width: 46%;
    /*border: 1px solid #009;
    border-radius: 5px;
        */
    float: left;
    margin-left: 2%;
    padding: 5px;
}

.body_content_section {
    border: 1px solid #009;
    border-radius: 5px;
    width: 96%;
    margin: 10px auto 10px;
}

@media all and (max-width: 600px) {
    .body_content_column {
        float: none;
        width: 100%;
        margin-left: 0%;
    }
    }