body {
  font-family: Verdana, Arial, sans-serif;
  font-size: small;
  color: #000;
  background-color: #FFF;
  margin: 0; 
  padding: 0;
}

.coeur { 
	position: absolute ; 
	top: 50% ;
	left: 50% ;
    margin-top: -55px;
	margin-left: -70px;
}