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

.container {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h1 {
    color: #333;
}

.task-form {
    margin-bottom: 20px;
}

.task-form input[type="text"] {
    width: 70%;
    padding: 8px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-right: 2px;
}

.task-form button[type="submit"] {
    padding: 8px 20px;
    border: none;
    background-color: #007bff;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

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

li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #f0f0f0;
    padding: 10px;
    margin: 10px 0;
    border-radius: 3px;
}

.complete {
    text-decoration: line-through;
    color: #ccc;
}

.delete-btn {
    background-color: #dc3545;
    color: #fff;
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}