一，效果圖。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS 教程</title>
<style>
body {
background-color: #d0e4fe;
}
h1 {
color: range;
text-align: center;
}
p {
font-family: "Times New Roman";
font-size: 20px;
}
</style>
</head>
<body>
<h1>css 執行個體!</h1>
<p>這是一個段落</p>
</body>
</html> ![龍珠訓練營task04[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)