body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: grey;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

form {
    /* background: rgb(214, 214, 214); */
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 15px;
    width: 350px;
}

form input {
    display: block;
    background: none;
    margin: 18px auto;
    padding: 8px;
    text-align: center;
    /* border: 2px solid #4090db; */
    border: 2px solid #000;
    outline: none;
    width: 180px;
    font-size: 22px;
    border-radius: 10px;
}

form input[type="submit"] {
    cursor: pointer;
    font-size: 16px;
    font-weight: 800;
    /* background: #4090db; */
    background: #000;
    color: white;
}

p {
    color: red;
    font-size: 22px;
    font-weight: 600;
}