body {
  width: 300px;
  font-family: "Arial", sans-serif;
  background-color: #f0f0f0;
  padding: 20px;
  margin: 0;
  box-sizing: border-box;
}

h1 {
  color: #333;
  text-align: center;
  margin-bottom: 20px;
}

#taskInput {
  width: 100%;
  padding: 10px;
  font-size: 16px;
  border-radius: 5px;
  border: 1px solid #ddd;
  box-sizing: border-box;
}

#taskInput:focus {
  outline: none;
  border-color: #4caf50;
}

#addTaskButton {
  display: block;
  width: 100%;
  padding: 10px;
  background-color: #4caf50;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
}

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

#taskList {
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.taskItem {
  display: flex;
  align-items: center;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background-color: white;
  margin-bottom: 10px;
  transition: background-color 0.3s ease;
}

.taskText {
  flex-grow: 1;
  margin-right: 10px;
}

.completed {
  text-decoration: line-through;
  color: grey;
}

.removeButton {
  background: none;
  border: none;
  cursor: pointer;
  color: red;
  font-size: 16px;
  transition: color 0.3s ease;
}

.removeButton:hover {
  color: darkred;
}

.checkbox {
  width: 20px;
  height: 20px;
  margin-right: 10px;
}