很容易理解的前端基础CSS-如何美化你的网站【零基础向】

<style>
img{
display: block; /*显示为块*/
border-radius: 20px; /*圆角 20px*/
margin: auto;
padding: 10px;
}
.flex{
display: flex; /*显示为flex盒 */
justify-content:space-around; /*每个项目间隔相等排列*/
list-style-type: none; /*列表项标记的类型为无*/
margin: auto;
padding: 0;
width: 600px;
background-color: white;
}
.button { /*按钮组样式*/
background-color: #4CAF50;
border: none;
color: white;
padding: 5px 5px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
cursor: pointer;
float: left;
margin: 10px;
border-radius: 5px;
}
.button:hover {
background-color: #3e8e41;
}
</style>
<body>
<img src="../R-C.jpg" alt="风景图" width="640" height="400">
<ul class="flex">
<li><a class="button" href="./CSS.html">原图</a></li>
<li><a class="button" href="./Style0.html">样式1</a></li>
<li><a class="button" href="./Style1.html">样式2</a></li>
<li><a class="button" href="./Style2.html">样式3</a></li>
</ul>
</body>