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

 1 <div data-role="page">
 2         <div data-role="content" style="padding:10px;">
 3             <div>在线留言</div>
 4             <div><img src="__PUBLIC__/images/newsbanner.jpg" width="100%" /></div>
 5             <div class="message_content">
 6                 <div class="face"><img src="__PUBLIC__/images/face02.jpg" /></div>
 7                 <div class="message">abcdefg<br />test<br />test<br />test<br /></div>
 8             </div>
 9             <div class="message_content">
10                 <div class="messageleft">abcdefg<br />test<br />test<br />test<br /></div>
11                 <div class="face"><img src="__PUBLIC__/images/face01.jpg" /></div>
12             </div>
13              <div class="message_content">
14                 <div class="face"><img src="__PUBLIC__/images/face03.jpg" /></div>
15                 <div class="message">abcdefg<br />test<br />test<br />test<br /></div>
16             </div>
17         </div>
18         <div data-role="footer" data-position="fixed" data-id="footernav" data-tap-toggle="false">  
19            <include file="Public:menu" />
20         </div>
21     </div>