body {font-family:Arial}

A {font-size:22px;color:black;text-decoration:underline;font-weight:bold}

.div_contenido {background-color:#307367;filter: alpha(opacity=70);opacity: .7;font-family:Verdana,Arial;color:white;width:750px;padding:10px;font-weight:bold;text-align:justify;font-size:17px}

.p_titular {font-family:Arial;font-size:27px;font-weight:bold;margin-top:20px}
span {height:20px;width:10px;background-color:red}

.div_final {background-color:white;width:750px}