body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.header {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.addTask {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

#inputTask {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    margin-right: 10px;
    outline: none;
}

.addTask button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

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

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

.task-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9f9;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 18px;
    color: #555;
    word-break: break-word;
}

.task-list li button {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.task-list li button:hover {
    background-color: #e53935;
}

/* Styling for completed tasks */
.task-list li.completed span {
    text-decoration: line-through;
    color: #999;
}

#clearCompletedBtn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

#clearCompletedBtn:hover {
    background-color: #d32f2f;
}

.edit-btn {
    background-color: #ff9800;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
    margin-left: 5px;
}

.edit-btn:hover {
    background-color: #f57c00;
}

.edit-input {
    flex-grow: 1;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    padding: 5px;
    margin: 0 10px;
    outline: none;
}