.header {
    font-family: courier;
    font-size: 36px;
    font-weight: bold;
}

div.headerbox {
    position: fixed;
    top: 0px;
    left: 0px;
    background-color: rgb(238,238,238);
    width: 100%;
    opacity: 0.9;
    z-index: 9;
}

div.contentbox {
    padding-top: 2cm;
    padding-bottom: 5cm;
    position: absolute;
    width: 100%;
}

div.footerbox {
    position: fixed;
    bottom: 0px;
    background-color: rgb(238,238,238);
    width: 100%;
    opacity: 0.9;
    z-index: 9;
    text-align: center;
}

div.content {
    text-align: justify;
    max-width: 20cm;
    margin-left: auto;
    margin-right: auto;
}

table {
    border-collapse: collapse;
}

td {
    border: 1px solid gray;
}