HTML
<link rel="shortcut icon" href="../images/animal-track.png"> 代表网站图标
一组 radio name名称一样，代表一组，每组只能选择一个；
<option selected value="Cpp">Cpp</option> 加入selected表示默认;
CSS
行高可以使之竖直居中；
text-algin:center;
line-height:200px;
background-color:lightblue;
height:200px;
补上伪类元素：
.div-outer::before {
content: "";
display: table;
}
AcWing-WEB课2.3 17:28s
两个实例
B站小卡片(有一说一，b站卡片真的漂亮）
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>bilibili</title>
<link rel="stylesheet" href="../styles/b-card.css">
<link rel="icon" href="/static/images/animal-track.png">
</head>
<body>
<div class="user-card">
<div class="user-card-body">
<div class="user-card-body-right">
<div class="user-card-body-right-text">
<div class="user-card-body-right-text-username">
哑巴湖水怪
</div>
<div class="user-card-body-right-text-reputation">
<span class="user-card-body-right-text-reputation-item">
<span>58</span>
<span>关注</span>
</span>
<span class="user-card-body-right-text-reputation-item">
<span>3</span>
<span>粉丝</span>
</span>
<span class="user-card-body-right-text-reputation-item">
<span>15</span>
<span>赞</span>
</span>
</div>
</div>
<div class="user-card-body-right-button">
<button>+关注</button>
<button>发消息</button>
</div>
</div>
</div>
</div>
</body>
</html>
.user-card {
width: 366px;
height:239px;
box-shadow: 2px 2px 5px lightgrey;
border-radius: 5px;
}
.user-card-head {
background-image: url(../static/images/back.png);
background-size: cover;
width: 100%;
height: 85px;
}
.user-card-body {
width: 366px;
height: 154px;
box-sizing: border-box;
}
.user-card-body-left {
width: 70px;
height: 100%;
float: left;
/* background-color: lightblue; */
}
.user-card-body-left > img {
width:48px;
height:48px;
border-radius: 50%;
margin: 10px 9px;
}
.user-card-body-right {
width: 266px;
height: 126px;
float: left;
/* background-color: lightgreen; */
padding: 12px 20px 16px 10px;
}
.user-card-body-right-text {
width: 100%;
height: 96px;
}
.user-card-body-right-text-username {
font-size: 16px;
color: #222222;
font-weight: bold;
}
.user-card-body-right-text-reputation {
margin-top: 12px;
}
.user-card-body-right-text-reputation-item {
margin-right: 20px;
}
.user-card-body-right-text-reputation-item > span:nth-child(1) {
font-size: 12px;
color: #222222;
}
.user-card-body-right-text-reputation-item > span:nth-child(2) {
font-size: 12px;
color: #242b35;
}
.user-card-body-right-button > button:nth-child(1) {
margin: 0 8px 0 0;
background-color: #00AEEC;
color: white;
width: 100px;
height: 30px;
border-radius:5px;
border: none;
font-size: 14px;
cursor: pointer;
transition: 700ms;
}
.user-card-body-right-button > button:nth-child(2) {
width: 102px;
height: 32px;
font-size: 14px;
color: #61666D;
border: grey solid 1px;
cursor: pointer;
border-radius: 5px;
transition: 700ms;
}
.user-card-body-right-button > button:nth-child(2):hover {
border-color: #00B5E5;
color: #00B5E5;
}
导航栏
效果图：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>立体导航栏</title>
<link rel="stylesheet" href="/static/css/mavigation.css">
</head>
<body>
<div class="container">
<nav>
<ul>
<li>Home</li>
<li>Services</li>
<li>Products</li>
<li>Clients</li>
<li>Contact</li>
</ul>
</nav>
</div>
</body>
</html>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.container {
background-color: #ffbdc9;
width: 100%;
height: 100vh;
/* display: flex; */
text-align: center;
margin: 0 auto;
/* 竖直居中 */
/* align-items: center; */
/* 水平居中 */
/* justify-content: center; */
}
nav {
background-color: #fff;
border-radius: 50px;
padding: 10px;
/* 阴影效果 */
box-shadow: 0 25px 20px -20px rgba(0,0,0,0.4);
}
nav ul li {
/* 去掉li的小黑点 */
list-style: none;
padding: 13px 15px;
margin: 10px;
/* 改成inline-block之后就是成行 */
display: inline-block;
font-size: 18px;
font-weight: 500;
color: #777;
cursor: pointer;
position: relative;
z-index: 2;
/* transition: color 0.5s; */
}
nav ul li::after {
content: "";
background: #f44566;
width: 100%;
height: 100%;
border-radius: 30px;
position: absolute;
top: 100%;
left: 50%;
transform: translate(-50%, -50%);
z-index: -1;
opacity: 0;
transition: top 0.5s,opacity 0.5s;
}
nav ul li:hover {
color: rgb(231, 231, 226);
}
nav ul li:hover::after {
top: 50%;
opacity: 1;
}
Original: https://www.cnblogs.com/Holdpark/p/16372490.html
Author: 似是笼中雀
Title: 进击的前端！
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