#main{
    width: 100%;
    height: 100%;

}
#content{
    margin-left: 6px;
    max-width: 700px;

}

img.fig {
    display: block;
    margin: auto;
}

label {
    display: block;
    text-align: center;
    font-style: italic;
}

table {
    border-collapse: collapse;
    margin-bottom: 1em;
    width: 100%;
}

th, td {
    border: 1px solid black;
}
.strong {
    font-weight: bold;
}
th {
    border-bottom: 3px double black;
}

table.center * {
    text-align: center;
}