#caja_principal {
float: left;
width: 930px;
height: auto;
padding-top: 20px 20px 20px 20px;
}

#caja_mensaje{
float: left;
width: 600px;
height: auto;
padding-top: 20px;
}

#caja_secundaria {
float: left;
width: 920px;
height: auto;
padding-top: 10px;
padding-bottom: 20px;
}

#caja_texto_pequeña {
clear: both;
float: left;
width: 400px;
height: auto;
padding-top: 10px;
padding-bottom: 20px;
margin-left: 20px;
}

#caja_imagen {
float: left;
width: 500px;
height: auto;
padding-top: 10px;
padding-bottom: 20px;
}

#caja_texto {
clear: both;
float: left;
width: 900px;
height: auto;
padding-top: 10px;
padding-bottom: 20px;
margin-left: 20px;
}

#caja_pdf {
clear: both;
float: left;
width: 900px;
height: auto;
padding-top: 10px;
padding-bottom: 20px;
margin-left: 20px;
}

h3 {
font-size: 20px;
color: #00A0E0;
padding: 3px 0 0 20px;
letter-spacing: -1px;
font-weight: 100;
}
h1 {
font-size: 14px;
color: #00000;
padding: 3px 0 0 20px;
letter-spacing: -1px;
font-weight: 100;
}

h2 {
font-size: 14px;
color: #FF9718;
padding: 3px 0 0 20px;
letter-spacing: -1px;
font-weight: 100;
padding: 10px;
}

h4 {
font-size: 12px;
color: #00000;
padding: 3px 0 0 20px;
letter-spacing: -1px;
font-weight: 100;
}