body
{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    color: #333333;
}

#wrap
{
    width:614px;
    height:auto;
    margin-left:auto;
    margin-right:auto;
    overflow:hidden;
}

#logo
{
    width: 300px;
    height: 91px;
    background-image: url('logo.gif');
    background-repeat: no-repeat;
    float:right;
     overflow:hidden;
}


#contenedor
{
    margin-top: 10px;
    border: 2px solid #666666;
    width: 610px;
    height: auto;
     overflow:hidden;
}

#b1
{
    margin-top:5px;
    width:550px;
    height:18px;
    margin-left:10px;
     overflow:hidden;
}

.b2
{
    border: thin solid #008000;
    width: 590px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
     overflow:hidden;
}

#b3
{
    width: 200px;
    height: 45px;
    margin-left: auto;
    margin-right: auto;
     overflow:hidden;
}

#b4
{

    width: 358px;
    height: 58px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
    text-align: center;
}


.obligatorio
{
    width: 500px;
    height: 14px;
    float:right;
    text-align:right;
    margin-right:10px;
    margin-bottom:10px;
     overflow:hidden;
}