* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
}

.wrapper {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.add-task {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.add-task input {
  flex-grow: 1;
  padding: 10px;
  border: none;
  border-bottom: 2px solid #ccc;
  font-size: 16px;
}

.add-task button {
  padding: 10px;
  border: none;
  background-color: #4caf50;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

.add-task button:hover {
  background-color: #3e8e41;
}

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

.tasks li {
  padding: 15px;
  margin-bottom: 10px;
  background-color: #f2f2f2;
  border-radius: 5px;
  color: #444;
  font-size: 16px;
  cursor: move;
}

.tasks li:hover {
  background-color: #ddd;
}