body    { font-style: normal; background-color: #f2f2f2; text-align: center; margin: 0; padding: 0 }
#container   { font-style: normal; background-color: white; text-align: left; margin-top: 10px; margin-right: auto; margin-left: auto; width: 780px; height: 400px; border: solid 1px silver }
#logo { margin-top: 10px; margin-left: 15px; width: 233px; height: 64px }
h1  { color: #262626; font-size: 12px; font-family: Arial; font-weight: 700; margin-top: 7px; margin-left: 20px; width: 500px }
#annonce_ouverture   { color: #262626; font-size: 18px; font-family: "Trebuchet MS"; font-style: normal; text-align: center; margin-top: 50px; width: 780px }