body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #f4f4f4;
}

.container {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
}

.form-container {
  margin-bottom: 20px;
}

#task-input,
#category-select,
button {
  margin: 5px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

.filter-container {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

ul {
  list-style-type: none;
  padding: 0;
}

li {
  background-color: #f9f9f9;
  margin: 5px 0;
  padding: 10px;
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.task-text {
  flex: 1;
}

.delete-btn {
  background-color: #dc3545;
  color: #fff;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.delete-btn:hover {
  background-color: #c82333;
}