/* relevant for the tutorial - start */
  #gallery { position: relative; margin-top:20px; }
    #pictures { position: relative; height: 400px; width:370px;}
    #pictures img { position: absolute; top: 0; left: 0; }
	#controleur {
		width:300px;
		height:auto;
	}
    
    #prev, #next {
		float:left;
	text-align:center;
	width:100px;
	font-family:Arial, Helvetica, sans-serif;
	font-size:15px;
	color:#fff;
	font-weight:normal;
	text-decoration:none}
	
	 #prev a, #next a {
	float:left;
	 width:100px;
	font-family:Arial, Helvetica, sans-serif;
	font-size:15px;
	color:#fff;
	font-weight:normal;
	text-decoration:none
	}

  /* relevant for the tutorial - end */