body div#page_content div#page_center {
  padding-right: 20px;
  padding-left: 90px;
  width: 526px;
}

body div#page_content div.titre {
  margin-top: 50px;
  margin-left: 148px;
}

body div#page_content div#page_center p {
  margin: 20px 0;
}