*
{
    font-family: arial,helvetica;
    margin: 0;
    padding: 0;
}

body 
{
    background:url("../imagenes/fondo.jpg") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

input
{
    font-size: 0.85em;
}

#contenido
{
    background-color: rgba(0,0,0,0.3);
    display: block;
    text-align: center;
    margin: 0 auto;
    margin-top: 7%;
    font-size: 0.9em;
    box-shadow: 0 0 10px black;
    padding: 10px;
    padding-top: 30px;
    width: 500px;
    height: 240px;
    opacity: 0;
}

#logo
{
    display: block;
    margin: 0 auto;
    position: relative;
    bottom: 25px;
    opacity: 0;
}

#logueo
{
    text-align: left;
    margin: 20px;
    margin-right: 50px;
    display: inline-block;
    width: 160px;
}

#btn_login
{
    padding: 3px 10px;
    color: white;
    background: rgb(19, 179, 237);
    margin-top: 10px;
    cursor: pointer;
    border: none;
}

#txt_usuario 
{
    font-size: 0.9em;
    color: white;
}

#txt_contra
{
    font-size: 0.9em;
    color: white;
}

#grupo
{
    width: 60px;
    position: relative;
    top: -16px;
}

#estado
{
    color: red;
    display: block;
    margin: 0px;
    margin-bottom: -15px;
    font-size: 0.89em;
    font-weight: bold;
    height: 17px;
}

footer
{
    text-align: right;
    color: white;
    width: 490px;
    display: block;
    position: relative;
    padding: 4px 10px;
    margin:0;
    font-style: italic;
    font-size: 0.75em;
}

footer span
{
    position: relative;
    top: -2px;
}

footer img
{
    width: 15px;
    margin-left: 10px;
    cursor: pointer;
}