body {
    margin: 0;
    border: 0;
    padding: 0;
    font-family: Verdana;
}

section {
    width: 930px;
    margin: auto;
    border: 0;
    padding: 0;
}

content {
    position: relative;
    left: 0px;
    margin: 0;
    border: 0;
    padding: 10px;
    width: 930px;
    display: block;
}

content article {
    border-top: 1px solid #A9A9A9;
    margin-top: 1em;
}

content p {
    line-height: 1.5em;
    margin-top: 1.5em;
    margin-bottom: 1.5em;
}

content footer {
    margin: 0.5em 0;
    font-size: small;
}

section .screenshotbox {
    overflow: auto;
    padding: 15px;
}

section .screenshot {
    border: 3px #000 solid;
    border-radius: 5px;
    margin: 10px;
    float: left;
    width: 213px;
    overflow: auto;
}

section .screenshot footer {
    text-align: center;
}

.cboard {
    background-color: #e1e1e1;
    background-image:
        linear-gradient(45deg, #969696 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #969696 75%),
        linear-gradient(45deg, transparent 75%, #969696 75%),
        linear-gradient(45deg, #969696 25%, transparent 25%);
    background-size:20px 20px;
    background-position:0 0, 0 0, -10px -10px, 10px 10px;
}

.invisible {
    display: none;
}