/* Basic reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Main container styling */
.container {
    text-align: center;
    max-width: 400px;
    margin: auto;
}

h1 {
    margin-bottom: 20px;
}

/* Input and button styling */
#task-input {
    padding: 10px;
    width: 70%;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

button {
    padding: 10px;
    background-color: #61dafb;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #21a1f1;
}

/* Task list styling */
ul {
    list-style-type: none;
    margin-top: 20px;
}

li {
    background-color: #fff;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li.completed {
    text-decoration: line-through;
    background-color: #d9ffd9;
}

/* Footer styling */
footer {
    margin-top: 30px;
    font-size: 1rem;
    color: #888888;
}

footer strong {
    color: #333;
}