body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}
#todoList {
    max-width: 400px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1 {
    text-align: center;
    color: #333;
}
#taskInput {
    width: 70%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-right: 10px;
    font-size: 16px;
}
#addTaskBtn, #removeCompletedBtn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 16px;
}
#taskList {
    list-style-type: none;
    padding: 0;
}
.taskItem {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.taskItem span {
    flex-grow: 1;
    font-size: 18px;
}
.deleteTaskBtn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}