body
{
text-align: center; 
}

#superprincipal
{

background-image: url(img/fondo.jpg);
background-repeat: no-repeat;
margin-left: 0px;
margin-top: 25px; 
height: 550px;
width: 820px;
}

.principal
{
background-color: #80a0c0;       /*#2789D4*/
width: 738px;
height: 485px;
margin-top: 25px;
margin-left: 15px;
}

/******************************************************/

.imagen
{
width: 730px;
height: 80px;
background-image: url(img/ae.jpg);
background-repeat: no-repeat;
background-position: center;
}

/****************************************************/

.horizontal
{
margin-left: -490px;
margin-top: 0px;
border-bottom: 1px solid black;
background-image: url(img/botonera_on.jpg);
}

.uno
{
text-decoration: none;
margin-left: 0px;
color: white;
}

.uno:hover
{
color: gray;
}

.dos
{
text-decoration: none;
color: white;
margin-left: 20px;
}

.dos:hover
{
color: gray;
}

.tres
{
text-decoration: none;
color: white;
margin-left: 20px;
}

.tres:hover
{
color: gray;
}

/***********************************************************/

.texto1
{
color: navy;
font-family: Tahoma;
font-size: 11px;
text-decoration: none;
}
.texto1:hover
{color: gray;}

.texto2
{
color: navy;
font-family: Tahoma;
font-size: 11px;
text-decoration: none;
}
.texto2:hover
{color: gray;}

.texto3
{
color: navy;
font-family: Tahoma;
font-size: 11px;
text-decoration: none;
}
.texto3:hover
{color: gray;}

.texto4
{
color: navy;
font-family: Tahoma;
font-size: 11px;
text-decoration: none;
}
.texto4:hover
{color: gray;}

.texto5
{
color: navy;
font-family: Tahoma;
font-size: 11px;
text-decoration: none;
}
.texto5:hover
{color: gray;}
/****************************************************************/

.requisitos1
{
background-image: url(img/index.html);
border: 1px dotted black;
width: 350px;
height: 100px;
margin-left: 370px;
margin-top: 5px;
}

.requisitos2
{
background-image: url(img/index.html);
border: 1px dotted black;
width: 350px;
height: 100px;
margin-left: -370px;
margin-top: -110px;
}

.requisitos3
{
background-image: url(img/index.html);
border: 1px dotted black;
width: 350px;
height: 115px;
margin-left: -370px;
margin-top: 15px;
}

.requisitos4
{
background-image: url(img/index.html);
border: 1px dotted black;
width: 350px;
height: 115px;
margin-left: 370px;
margin-top: -124px;
}

.requisitos5
{
background-image: url(img/index.html);
border: 1px dotted black;
width: 350px;
height: 90px;
margin-left: 0px;
margin-top: 15px;
}