body {
    padding-top: 0px;
    padding-bottom: 10px;
    color: white;
    font-family: 'Roboto', 'Arial';
}

.form-signin {
    padding: 0px 10px;
    margin: 0 auto;
    text-align: center;
}

.form-signin .form-signin-heading,
.form-signin .checkbox {
    margin-bottom: 2px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
}

.form-signin .form-control {
    position: relative;
    height: auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 2px;
    font-size: 12px;
    width: 70%;
}

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

.input-group {
    margin-bottom: 0px;
}

.form-signin-heading {
    margin-bottom: 2px;
    padding: 0;
    margin-top: 2px;
}

.btn-primary {
    margin-top: 3px;
}

@media (min-width: 300px) {
    body {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .form-signin {
        max-width: 330px;
        padding: 15px;
        margin: 0 auto;
    }

    .form-signin .form-signin-heading,
    .form-signin .checkbox {
        margin-bottom: 10px;
        text-align: center;
        font-size: 30px;
        font-weight: normal;
    }

    .form-signin .form-control {
        position: relative;
        height: auto;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        padding: 10px;
        font-size: 16px;
        width: 100%;
    }

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

    .input-group {
        margin-bottom: 5px;
    }

    .form-signin-heading {
        margin-bottom: 30px;
    }

    .btn-primary {
        margin-top: 15px;
    }
}