用css制作网页
基础HTML结构
创建HTML文件(如index.html),包含基本结构:
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>网页标题</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<header>页眉内容</header>
<main>主体内容</main>
<footer>页脚内容</footer>
</body>
</html>
链接CSS文件
在同目录下创建styles.css文件,通过<link>标签引入:
/* 全局样式 */
body {
font-family: 'Arial', sans-serif;
margin: 0;
padding: 0;
line-height: 1.6;
}
常用CSS样式示例
布局与盒模型:
header, footer {
background-color: #333;
color: white;
padding: 1rem;
text-align: center;
}
main {
max-width: 1200px;
margin: 0 auto;
padding: 20px;
}
响应式设计:
@media (max-width: 768px) {
main {
padding: 10px;
}
}
样式化文本与链接
h1 {
font-size: 2rem;
color: #444;
}
a {
color: #0066cc;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
使用Flexbox布局
.navbar {
display: flex;
justify-content: space-between;
align-items: center;
}
.nav-links {
display: flex;
gap: 20px;
}
网格布局示例
.grid-container {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 15px;
}
.grid-item {
border: 1px solid #ddd;
padding: 10px;
}
动画效果
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
.animated-element {
animation: fadeIn 1s ease-in-out;
}
变量与主题
:root {
--primary-color: #4285f4;
--secondary-color: #34a853;
}
.button {
background-color: var(--primary-color);
color: white;
padding: 8px 16px;
border: none;
border-radius: 4px;
}





