html,body {
    padding: 0;
    margin: 0 0 0 0;
    height:100%;
    width:100%;
    background-color: lightgray;
    font-family: 'Droid Sans', sans-serif;
    color: gray;
}

div.cuadroLogin {
    position: relative;
    width: 600px;
    height: auto;
    padding: 30px;
    margin: 0 0 0 0;
    margin-left: auto;
    margin-right: auto;
    vertical-align: middle;
    text-align: left;
    background-color: white;
    font-size: 16px;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
}

div.cuadroLoginBoton {
    position: relative;
    top: 5px;
    width: 65%;
    display: inline-block;;
}

div.cuadroLoginError {
    position:absolute;
    left:30px;
    top:172px;
    color:red;
}

div.cuadroLoginLogo {    
    top: 17px;
    display: inline-block;
    left: auto;
    margin-right: 0px;
    margin-left: auto;
}

button.cuadroLogin {
    background-color:#3399FF;
    color:white;
    border:1px;
    font-size:18px;

    height:35px;

    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
}

input.cuadroLogin {
    font-size: 20px;
    border: 0px solid green;
    width: 100%;
    padding: 5px;
    margin: 0 0 0 0;

    border:1px lightgray solid;
    color: gray;

    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
}

  .contenedorLogo{
        text-align: center;
    }




@media only screen and (max-width: 500px) {
   
    div.cuadroLogin {
        width: 92%;
        padding: 4%;
        margin: 0 0 0 0;
    }

    div.cuadroLoginBoton {
        width: auto;
    }

  

}