body {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1, h2 {
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

input, select, button {
  padding: 0.5rem;
  font-size: 1rem;
}

#transaction-form button {
  min-width: 80px; 
}

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

li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid #ccc;
}

button.delete {
  background-color: red;
  color: white;
  border: none;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
}