html,
body {
    height: 100%;
}

body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #fff;
}

.form-signin {
    width: 100%;
    max-width: 420px;
    padding: 15px;
    margin: auto;
}


    /* Mark input boxes that gets an error on validation: */
    input.invalid {
        background-color: #ffdddd;
    }

.btn-login {
    font-weight: bold;
    color: rgb(255, 255, 255);
    background: rgb(231, 197, 3);
}

.input-group-text {
    min-width: 40px;
}

.right-text{
    text-align: right;
}