大学生涯值不值得过？用这3个案例告诉你答案

css
/* 通用样式初始化 /
body {
font-family: 'Microsoft YaHei', sans-serif;
line-height: 1.6;
color: #333;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
css
/ 页面头部样式 /
header {
text-align: center;
margin-bottom: 40px;
padding: 20px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border-radius: 10px;
}
css
/ 按钮样式 */
.button {
background-color: #4CAF50;
color: white;
padding: 14px 28px;
border: none;
border-radius: 5px;
cursor: pointer;
text-decoration: none;
display: inline-block;
font-size: 16px;
transition: background-color 0.3s;
}
.button:hover {
background-color: #45a049;
}