/*
	Selecteur CSS
	selector  : balise.id.class[attr="valeur"]:pseudo
	operator  : espace  +  >  ~
	separator : ,
*/

body>div {
	float: left;
	border-right: 2px dashed #CCC;
	padding: 10px;
}

#exercice a {
	display: block;
	background-image: url('../img/sprite.png');
	width: 84px;
	height: 84px;
	border: 1px solid #CCC;
	float:left;
	margin: 5px;
}

.clearfix {
	clear:both;
}

.transparent .facebook { background-position:    0px 0px; }
.transparent .google {   background-position: -252px 0px; }