<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>对话框</title>
<style>
margin-left:30px;
padding:10px;
background: red;
position: relative;
display: inline-block;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;color:
}
content:"";
position: absolute;
right: 100%;
top:10px;
width: 0;
height: 0;
border-top: 8px solid transparent;
border-right: 16px solid red;
border-bottom: 8px solid transparent;
}
color:
font-size: 20px;
background-color: red;
padding:10px;
position: relative;
display: inline-block;
margin-top: 10px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
margin-left:30px;
border-radius: 5px;
}
content:'';
position:absolute;
right:100%;
top:0px;
width:16px;
height:16px;
border-width:0;
border-style:solid;
border-color:transparent;
border-bottom-width:10px;
border-bottom-color:currentColor;
border-radius:0 0 0 32px;
color:red;
}
</style>
</head>
<body>
<div id="talkbubble">hello</div>
<div id="chat_content">hello</div>
</body>
</html>