body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

#name-form {
    display: flex;
    margin-bottom: 20px;
}

#name-input {
    flex: 1;
    margin-right: 10px;
}

#name-list {
    border: 1px solid #ddd;
    padding: 10px;
}