.foto_ppal {
background-image: url(img_infraestructura_v1/img_ppal.jpg);
height:486px;
margin-left:7px;
margin-top:7px;
position:relative;
width:636px;
}

.foto_carrera {
background-image: url(img_carrera/img_ppal.jpg);
height:486px;
margin-left:7px;
margin-top:7px;
position:relative;
width:636px;
}

.titulo_ppal {
left:7px;
position:absolute;
top:10px;
}

.caja_contenido {
background-image:url("img_empresa_v1/caja_contenido_fondo.png");
height:423px;
left:7px;
position:absolute;
top:70px;
width:505px;
}

.caja_texto {
font-family:Arial,Helvetica,sans-serif;
font-size:12px;
height:197px;
left:43px;
line-height:16px;
overflow:auto;
padding-right:10px;
position:absolute;
text-align:justify;
top:283px;
width:560px;
}

.caja_texto p {
margin-bottom: 15px;
}


.caja_texto li {
background-image: url(img_infraestructura_v1/flecha.png);
background-repeat: no-repeat;
background-position: 0px 5px;
padding-left: 14px;
}