body{
    margin: 0 auto;
    background: url(img/bg_banner_gaceta.jpg) repeat-x #305348;
    text-align: center;
}

div.aviso{	
	position: absolute;
	padding: 15px 15px 15px 15px;
	top:  30%;
	margin-top:-100px; 
  	left: 50%;
	margin-left:-240px;
  	width: 480px;  	
  	background: #eef2f5;
  	border: 1px solid #d0d0af;
  	font-family: Tahoma;
  	font-size: 14px;
	z-index:9999;
}

a.azul:link,a.azul:visited,a.azul:active,a.azul:hover,.nav{	
	color: #1976b8;	
	font-size: 12px;
	text-decoration: none;
}

a.azul:hover{

	text-decoration: underline;
}