body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 700px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #0078d4;
}

form {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
}

button {
    background-color: #0078d4;
    color: white;
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    border-radius: 6px;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}