body {

        width: 30em;

        margin: 0 auto;

        font-family: Tahoma, Verdana, Arial, sans-serif;

        font-size: x-large; }

p.hh { color: orange; }

div.xx { text-align: left; }

div.yy { color: lightgrey; }
div.zz {  font-size: large; }

i { color: grey }

div.centr {  text-align: center;   color: black; }

td.dfd  { padding: 10px;  vertical-align: top; }