下面，大家来了解一下一份完整的CSS样式应用教案：
<html>
<head>
<style>
/*样式表*/
p {
font-size: 16px;
line-height: 1.5;
color: #333;
}
.container {
width: 960px;
margin: 0 auto;
}
.box {
width: 200px;
height: 200px;
background-color: #ccc;
margin: 20px;
float: left;
}
.box-title {
font-size: 20px;
font-weight: bold;
padding: 10px 0;
text-align: center;
}
</style>
</head>
<body>
<div class="container">
<div class="box">
<h4 class="box-title">Box 1</h4>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla fermentum tristique libero a mattis. Etiam pellentesque libero ac condimentum bibendum. Ut luctus eget magna in suscipit. Vivamus sit amet sapien nec lacus euismod consectetur.</p>
</div>
<div class="box">
<h4 class="box-title">Box 2</h4>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla fermentum tristique libero a mattis. Etiam pellentesque libero ac condimentum bibendum. Ut luctus eget magna in suscipit. Vivamus sit amet sapien nec lacus euismod consectetur.</p>
</div>
</div>
</body>
</html>在这份教案中，大家使用了p、div等标签，并对它们应用了不同的CSS样式，使得网页展现出一定的美观和规整性。