html网页制作源代码详细介绍

body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background-color: #f4f4f4;
}

header {
background-color: #333;
color: white;
text-align: center;
padding: 20px;
}

section {
padding: 20px;
margin: 20px;
border: 1px solid #ccc;
border-radius: 5px;
background-color: white;
}

footer {
background-color: #333;
color: white;
text-align: center;
padding: 10px;
position: fixed;
bottom: 0;
width: 100%;
}