body {
    background-color: blueviolet;
    align-items: center;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
}

form {
    display: flex;
    flex-direction: column;
    gap:10px;
}

input,
button {
    background-color: inherit;
    border: 0;
    border-bottom: 1px black solid;
}