/* CSS comments can be written here */
header {
	background-color: #ccc;
	font-size: 40px;
  }
  
  nav {
	display: flex;
	justify-content: space-between;
	padding: 10px;
  }
  
  ul {
	list-style: none;
	display: flex;
	margin: 0;
	padding: 0;
	font-size: 20px;
	margin: 0 30px;
  }
  
  a {
    color: cadetblue;
    text-decoration: none;
  }

  li {
	margin-right: 20px;  
  }

  
  /* 設定大標題的外邊距 */
  h1 {
	margin: 30px;
	font-size: 25px;
  }
  
  /* 設定小標題的外邊距 */
  h2 {
	margin: 0px 40px;
	font-size: 20px;
  }
  
  h3 {
	margin: 0px 40px;
	font-size: 20px;
  }

  /* 設定內文文字的外邊距 */
  p {
	margin: 5px 40px;
	text-indent: 2em;
  }

  img {
	margin: 0px 40px;
  }

  body {
	background-color: #f2f2f2;
  }