a.button { 
	display: block; 
	width: 200px; 
	height: 25px; 
	line-height: 25px; 
	color: #000; 
	text-decoration: none;
	font-family : Verdana, sans-serif;
	font-size: 12px;
	font-weight: bold
}

a.button:link    {background: transparent url(button-style-repos.gif) top left no-repeat;}
a.button:visited {background: transparent url(button-style-repos.gif) top left no-repeat;}
a.button:hover   {background: transparent url(button-style-survol.gif) top left no-repeat;}
a.button:active  {background: transparent url(button-style-repos.gif) top left no-repeat;}