body {
    background-color:#D5D3F4;
    background-image:url("img/sandweis.gif");
    text-align:center;
    font-size:1.3em;
}

header, footer {
    margin: auto;
}

h1, h2, h3, h4 { 
    text-align:center;
}
p {
    text-align:center;
}

table {
    width: 100%;
    margin:10px;
}
td {
    text-align:center;
    padding:8px;
}