body {
    font-family: 'Quicksand', sans-serif;
    font-size: 14px;
    background-image: url("/img/FondoTitanium.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #eee;
}

.form-signin {
    max-width: 400px;
    padding: 15px;
    margin: 0 auto;
}

    .form-signin .form-signin-heading,
    .form-signin .checkbox {
        margin-bottom: 10px;
    }

    .form-signin .checkbox {
        font-weight: 400;
    }

    .form-signin .form-control {
        position: relative;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        height: auto;
        padding: 10px;
        font-size: 16px;
    }

        .form-signin .form-control:focus {
            z-index: 2;
        }

    .form-signin input[type="email"] {
        margin-bottom: -1px;
        border-bottom-right-radius: 0;
        border-bottom-left-radius: 0;
    }

    .form-signin input[type="password"] {
        margin-bottom: 10px;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }

.controlesLogin {
    max-width: 400px;
    width: 100%;
    padding: 16px 32px 32px;
    background: rgb(255, 255, 255);
    box-shadow: rgb(0 0 0 / 7%) 0px 15px 30px;
    border-radius: 4px;
    margin: 0px auto 24px;
}

.img-Block {
    display: block;
    margin: auto;
    padding-bottom: 24px;
}

.form-lectorQR {
    /*max-width: 600px;*/
    padding: 15px;
    margin: 0 auto;
}

.controlesLectorQR {
    /*max-width: 600px;*/
    padding: 16px 32px 32px;
    box-shadow: rgb(0 0 0 / 7%) 0px 15px 30px;
    border-radius: 4px;
    margin: 0px auto 24px;
}

@media (min-width: 768px){
    .alert{
        justify-content: center;
        font-size: 20px;
    }
}