body {
    font-family: Arial, sans-serif;
}

.box {
    border: 3px solid black;
    background-color: blue;
    border-radius: 40px;
    width: 425px;
    margin: 100px auto;
    padding: 20px;
    text-align: center;
}

.form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.form input {
    width: 80%;
    padding: 8px;
    border-radius: 5px;
}

.form input:focus {
    background-color: black;
    color: white;
    outline: none;
}

.form button {
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
}