html,
body {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
    background: #f8f8f8;
    margin: 0px;
    padding: 0px;
}

#footer,
#header-logo-bar,
#content {
    padding: 20px;
    border: 1px solid #ccc;
    width: 960px;
    margin: 0 auto;
    background: #fff;
    box-sizing: border-box;
}

img.addin_guide-img {
    float: none !important;
    margin: 10px;
}

#content {
    font-size: 12px;
    color: #5b5b5b;
}

#footer a {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: bold;
    list-style: none;
    display: block;
    text-align: right;
    overflow: hidden;
    margin-left: 0;
    color: #5b5b5b;
    text-decoration: none;
}

#footer a:hover {
    color: #2b2b2b;
}

@media screen and (max-width: 1200px) {
    #footer,
    #header-logo-bar,
    #content {
        width: 100%;
    }
}