html, body {
    height: 100%;
}

.main {
    height: 100%;
    width: 100%;
    display: table;
}

.wrapper {
    display: table-cell;
    height: 100%;
    vertical-align: middle;
    text-align: center;
}

.centerBordered {
    margin: auto;
    width: 50%;
    padding: 10px;
}
.centerRed {
    margin: auto;
    width: 50%;
    padding: 10px;
    text-align: center;
    color: red;
}
ul.navbar {
    list-style-type: none;
    padding: 0;
    margin: 0;
    position: absolute;
    top: 2em;
    left: 1em;
    width: 9em 
}
h1 {
    font-family: Helvetica, Geneva, Arial,
          SunSans-Regular, sans-serif }
ul.navbar li {
    background: white;
    margin: 0.5em 0;
    padding: 0.3em;
    border-right: 1em solid black }
ul.navbar a {
    text-decoration: none }
a:link {
    color: blue }
a:visited {
    color: purple }
address {
    margin-top: 1em;
    padding-top: 1em;
    border-top: thin dotted }

.tdKey {
    text-align: right;
    width: 40%;
}
.tdCenter {
    text-align: center;
}