body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #343a40;
}

header {
    background-color: #ffffff;
    padding: 20px;
    text-align: center;
}

header img {
    max-width: 150px;
}

h1 {
    font-size: 2.5em;
    margin: 20px 0;
}

h2 {
    font-size: 1.5em;
    margin: 10px 0;
}

p {
    line-height: 1.6;
}

footer {
    background-color: #343a40;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

footer a {
    color: #ffffff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.todo-list {
    list-style-type: none;
    padding: 0;
}

.todo-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #dee2e6;
}

.todo-list li button {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

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