body {
    color: #333333;
    font-family: "Trebuchet MS", Arial, sans-serif;
    line-height: 1.4; /* no unit for line-height */
    background-color: #d0d0d0;
}

h1 {
    text-align: center;
}

h2 {
    font-size: 1.2em;
    margin-top: 1.5em;
    color: #1c496f;
    margin-bottom: -0.5em;
}

#content {
    max-width: 50em;
    margin: 0px auto;
    padding: 0.6em 4%;
    background-color: #ececec;
}

p {
    padding-left: 4%;
    text-align: justify;
}

table.data, .data th, .data td {
    border: 1px solid #333333;
    text-align: center;
    padding: 5px;
}

.data th {
    background-color: #666666;
    color: white;
} 

.borderless th {
    text-align: left;
    padding-top: 0.5em;
    padding-right: 2em;
}

table {
    border-collapse: collapse;
}

pre {
    background-color: #d3d3d3;
    border: 1px dashed #666666;
    padding: 0.8em;
}

img {
    width: 100%;
    max-width: 700px;
}