GOFLY在线客服的对话框样式是类似微信那样的有个小尖角的样式
可以:before :after
以及border-right-color等边框样式实现
demo如下
代码语言：javascript复制<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>对话框</title>
</head>
<style>
.chatDialogBox {
background-color: rgb(255,255,255);
color: #000;
border: 1px solid rgb(237,237,237);
min-height: 20px;
padding: 8px 15px;
word-break: break-all;
position: relative;
border-radius: 5px;
display: inline-block;
font-size: 14px;
}
.chatDialogBox:before,.chatDialogBox:after {
content: "";
display: block;
position: absolute;
width:0;
height: 0;
border: 6px solid transparent;
border-right-color: rgba(255,255,255,1);
left: -11px;
top: 10px;
z-index:1;
}
.chatDialogBox:after {
left: -12px;
border-right-color: rgb(237,237,237);
z-index:0;
}
</style>
<body>
<div class="chatDialogBox">你好</div>
</body>
</html>
