label {
  padding: 0 5px;
  font-size: 1.5rem;
}

/* 樣式化輸入字段 */
input:radio {
  appearance: none;

  border-radius: 50%;
  width: 16px;
  height: 16px;

  border: 2px solid #999;
  transition: 0.2s all linear;
  margin-right: 5px;

  position: relative;
  top: 4px;

}

/* 樣式化按鈕 */
button {
  background-color: #4caf50;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.5rem;
}

/* 增強表單布局 */
form {
  max-width: 400px;
  margin: 0 auto;
  padding: 20px;
  border: 1px solid black;
  border-radius: 5px;
}