body {
    font-family: 'Patrick Hand SC', cursive, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8e16c;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    border: 5px solid #000;
    margin: 20px;
    position: relative;
    overflow: hidden;
}

h1 {
    margin-bottom: 20px;
    color: #000;
}

.input-container {
    display: flex;
    margin-bottom: 20px;
}

input {
    padding: 12px;
    font-size: 16px;
    border: none;
    border-bottom: 1px solid #000;
    box-sizing: border-box;
}

button {
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #4CAF50;
    color: #fff;
    border: 1px solid #4CAF50;
    border-radius: 5px;
}

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

li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #fff;
    color: #333;
    border-bottom: 1px solid #000;
}

li.completed {
    background-color: #d4edda;
    color: #155724;
}

li input[type="checkbox"] {
    margin-right: 10px;
}

li span {
    text-decoration: none;
    padding-left: 10px;
    list-style-type: disc;
}

li.completed span {
    text-decoration: line-through;
}

li button {
    text-decoration: none; /* Remove line-through from the button */
    cursor: pointer;
    background: none;
    border: none;
    color: #333;
}

button:hover {
    background-color: #45a049;
}

button.clear-button {
    background-color: #e74c3c;
    border: 1px solid #e74c3c;
}

button.clear-button:hover {
    background-color: #c0392b;
}