<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS Shape</title>
<style>
.speech-bubble {
position: relative;
background: white;
border-radius: 10px;
padding: 20px;
width: 300px;
height: 150px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
margin-top: 30px;
}
.speech-bubble::before {
content: '';
position: absolute;
top: 0;
/* 左右移动 */
left: 20px;
width: 0;
height: 0;
/* 控制图形大小 */
border: 50px solid transparent;
border-bottom-color: white;
border-top: 0;
border-left: 0;
/* 左右移动 */
margin-left: -10px;
margin-top: -13px;
transform: rotate(60deg);
}
</style>
</head>
<body style="background: #ccc;">
<div class="speech-bubble">
<!-- 内容可以放在这里 -->
</div>
</body>
</html>
css 实现聊天气泡样式。超简单 伪元素
最新推荐文章于 2025-04-17 13:45:25 发布