body {
  margin: 0; /* pour éviter les marges */
  font-family: 'Source Sans Pro', sans-serif
}


#container{
margin-left: auto;
margin-right: auto;
margin-top: 60px;
height:540px;
width:900px;
border-width:8px;
border-style:dashed;
    text-align:left; /* centrage horizontal */
//background-image:url(images/back.gif);
//background-repeat:no-repeat;
//background-origin:padding-box;
}

h1, h2{
text-align:center;
font-weight:600;
font-size:28px;
letter-spacing:5px;
text-transform: uppercase;
}

#infos{
margin-left: auto;
margin-right: auto;
margin-top:75px;
text-align:center;
font-size:18px;
}