body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.container {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1 {
    color: #333;
    text-align: center;
}

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

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

button {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

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

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

li {
    padding: 10px;
    background-color: white;
    margin-bottom: 5px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li.done {
    text-decoration: line-through;
    color: #888;
}

a {
    text-decoration: none;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 5px;
}

a:nth-child(2) {
    background-color: #4CAF50;
}

a:nth-child(3) {
    background-color: #f44336;
}

a:hover {
    opacity: 0.8;
}body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.container {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1 {
    color: #333;
    text-align: center;
}

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

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

button {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

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

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

li {
    padding: 10px;
    background-color: white;
    margin-bottom: 5px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li.done {
    text-decoration: line-through;
    color: #888;
}

a {
    text-decoration: none;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 5px;
}

a:nth-child(2) {
    background-color: #4CAF50;
}

a:nth-child(3) {
    background-color: #f44336;
}

a:hover {
    opacity: 0.8;
}