body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
}

form {
    display: flex;
    margin-bottom: 10px;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    padding: 10px;
    margin-bottom: 5px;
    background-color: #f9f9f9;
    border: 1px solid #e3e3e3;
    border-radius: 4px;
}

li span {
    margin-right: 10px;
}

li button {
    background-color: #dc3545;
    color: #fff;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    float: right;
}

li button:hover {
    background-color: #c82333;
}
