body {
  background-color: #E8E6DF;
  font-family: Georgia,Times New Roman,Serif;
  font-size: 12pt;
  color: #887A61;
}

div.centeredbox {
  position:absolute;
  top: 50%;
  left: 50%;
  height: 10em;
  width: 28em;
  margin-top: -5em; /*set to a negative number 1/2 of your height*/
  margin-left: -14em; /*set to a negative number 1/2 of your width*/
  border: 1px solid #ccc;
  background-color: #ffffff;
}

p {
  text-align: center;
}

img {
  border: none;
}