微信对话框小三角形实现

2016-05-12 00:14 流浪的诗人阅读(1588) 评论(0) 编辑收藏举报

<!DOCTYPE html>
<html>
<head>
<title>微信会话小三角</title>
<meta charset="utf-8">
<style type="text/css">
body {
font-family: "Helvetica Neue",Helvetica,"Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
height: 100%;
-webkit-background-size: cover;
background-size: cover;
-webkit-font-smoothing: antialiased;
line-height: 1.6;
}
::-webkit-scrollbar-track {
background-color: transparent;
}
.bubble.right:before, .bubble.right:after {
left: 100%;
}
.bubble.left:before, .bubble.left:after {
left: 100%;
}
/* 1. 描绘出位置和形状;*/
.bubble:before, .bubble:after {
position: absolute;
top: 14px;
border: 6px solid transparent;
content: " ";
}
/* 2.border-left:color,width设置; */
.bubble.bubble_primary.right:after {
border-left-color: #b2e281;
border-left-width: 4px;
}
/*3。div背景颜色*/
.bubble.bubble_primary.right {
background-color: #b2e281;
margin-bottom: 20px;
}
.bubble.bubble_primary.left {
background-color: #b2e221;
}
.bubble.bubble_primary.left:before {
border-right-color: #b2e281;
border-right-width: 4px;
left: -10px;
}
.bubble_cont {
word-wrap: break-word;
word-break: break-all;
min-height: 25px;
}
.bubble {
max-width: 500px;
min-height: 1em;
/* display: inline-block; */
vertical-align: top;
position: relative;
text-align: left;
font-size: 14px;
border-radius: 3px;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
margin: 0 10px;
}
.bubble_cont .plain {
padding: 9px 13px;
}
pre {
margin: 0;
font-family: inherit;
font-size: inherit;
white-space: pre-wrap;
word-break: initial;
}
</style>
</head>
<body>
<div class="bubble js_message_bubble ng-scope bubble_primary right">
<div class="bubble_cont ng-scope" >
<div class="plain">
<pre class="js_message_plain ng-binding" >好久不见了，最近好吗？</pre>
</div>
</div>
</div>

<div class="bubble js_message_bubble ng-scope bubble_primary left">
<div class="bubble_cont ng-scope" >
<div class="plain">
<pre class="js_message_plain ng-binding" >还好，你那边怎么样？</pre>
</div>
</div>
</div>
</body>
</html>

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