html,
body {
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

.background-image {
    content: '';

    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: #f5f5f5;
    background-image: url('../images/bg-default.png');
    background-size: cover;
    opacity: 0.2;

    z-index: -1;
}

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

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

.form-signin input[type="text"] {
    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;
}