html,
body {
    height: 100%;
}

body {
    background: radial-gradient(circle, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.6) 75%, rgba(0, 0, 0, 0.8) 100%);
    background-size: cover;
    background-attachment: fixed;
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.form-signin {
    max-width: 330px;
    padding: 1rem;
}

.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;
}

.form-register {
    width: 400px;
    padding: 1rem;
}