h1, h2, h3
{
	color: yellow;	
}

p {
  width: 800px; /* à modifier selon vos besoins */
  overflow: hidden; /* les dépassements seront masqués */
}

body {
    background: url(web_images/bg.png) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    height: 100%;
       
 	margin-top:20px;
 	margin-right:50px;
 	margin-bottom:2em;
 	margin-left:50px;
}