body {
	background: #fff;
	color: #000;
	font-family: "Trebuchet MS", helvetica, sans-serif;
	font-size: 13px;
}

h1 {padding: 0; margin: 0; font-size: 24px;}
h2 {padding: 0; margin: 0; font-size: 18px;}
h3 {padding: 0; margin: 0; font-size: 16px;}
h4 {padding: 0; margin: 0; font-size: 14px;}
img {border: 0;}
a {color: #000;}

.header {visibility: hidden; display: none;}
.footer {visibility: hidden; display: none;}
.navegacion {visibility: hidden; display: none;}
.contenido {margin: 12px;}

.onlyscreen{visibility: hidden; display: none;}
.onlyprint{margin: 12px;}


#tab1{visibility: visible; display: block;}
#tab2{visibility: visible; display: block;}
#tab3{visibility: visible; display: block;}
#tab4{visibility: visible; display: block;}