.form {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}

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

.form .first-floating input {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form .first-floating select {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form .middle-floating input {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.form .middle-floating select {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.form .last-floating input{
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.form .unique-floating input{
    margin-bottom: 10px;
}