分享一个css3写的气泡对话框,适合于即时通讯和留言本的动态内容

效果预览:

css code

　　　　 .message_content{width:100%;margin-top:10px;clear:both;float:left;}
	.face{float:left;width:10%;}
	.face img{width:100%;max-width:60px;clear:both;}
	.message{float:left;background-color:#3F3;padding:10px;width:75%;margin-left:20px;margin-right:5px;
			-webkit-border-radius:10px;-moz-border-radius:10px;border-radius:10px;position:relative;
			background-image:-moz-linear-gradient(hsla(0,0%,100%, 0.6), hsla(0, 0%, 100%, 0)  30px);
			background-image:-webkie-gradient(linear, 0 0, 0 30, from(hsla(0, 0%, 100%, 0.6)), to(hsla(0, 0%, 100%, 0)));
			-moz-box-shadow:1px 1px 2px hsla(0, 0%, 0%, 0.3);
			-webkit-box-shadow:1px 1px 2px hsla(0, 0%, 0%, 0.3);
			box-shadow:1px 1px 2px hsla(0, 0%, 0%, 0.3);
 	}
	.messageleft{float:left;background-color:#A6DADC;padding:10px;width:75%;margin-left:5px;margin-right:20px;
			-webkit-border-radius:10px;-moz-border-radius:10px;border-radius:10px;position:relative;
			background-image:-moz-linear-gradient(hsla(0,0%,100%, 0.6), hsla(0, 0%, 100%, 0)  30px);
			background-image:-webkie-gradient(linear, 0 0, 0 30, from(hsla(0, 0%, 100%, 0.6)), to(hsla(0, 0%, 100%, 0)));
			-moz-box-shadow:-2px 1px 2px hsla(0, 0%, 0%, 0.3);
			-webkit-box-shadow:-2px 1px 2px hsla(0, 0%, 0%, 0.3);
			box-shadow:-2px 1px 2px hsla(0, 0%, 0%, 0.3);
			}
	.message:before{
		position:absolute;
		content:"\00a0";
		width:0px;
		height:0px;
		border-width:8px 18px 8px 0;
		border-style:solid;
		border-color:transparent #3F3 transparent transparent;
		top:15px;
		left:-18px;
	}
	.messageleft:before{
		position:absolute;
		content:"\00a0";
		display:inline-block;
		width:0px;
		height:0px;
		border-width:8px 0px 8px 18px;
		border-style:solid;
		border-color:transparent transparent transparent #A6DADC;
		right:-18px;
		top:15px;

	}
	.blankdv{height:10px;}

　　

html code

 <div data-role="page">
         <div data-role="content" style="padding:10px;">
             <div>在线留言</div>
             <div><img src="__PUBLIC__/images/newsbanner.jpg" width="100%" /></div>
             <div class="message_content">
                 <div class="face"><img src="__PUBLIC__/images/face02.jpg" /></div>
                 <div class="message">abcdefg<br />test<br />test<br />test<br /></div>
             </div>
             <div class="message_content">
                 <div class="messageleft">abcdefg<br />test<br />test<br />test<br /></div>
                 <div class="face"><img src="__PUBLIC__/images/face01.jpg" /></div>
             </div>
              <div class="message_content">
                 <div class="face"><img src="__PUBLIC__/images/face03.jpg" /></div>
                 <div class="message">abcdefg<br />test<br />test<br />test<br /></div>
             </div>
         </div>
         <div data-role="footer" data-position="fixed" data-id="footernav" data-tap-toggle="false">
            <include file="Public:menu" />
         </div>
     </div>