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#wraper1,
#wraper2,
#wraper3,
#wraper4 {
color: #000;
position: relative;
width: 100%;
background: #dbe2ed;
}
.bubble {
position: relative;
display: inline-block;
min-width: 30px;
max-width: 300px;
word-break: break-all;
word-wrap: break-word;
min-height: 22px;
background: #d2d2d2;
border-radius: 15px;
margin-bottom: 20px;
padding: 6px 8px;
-webkit-box-shadow: 0px 1px 2px #000, inset 0px 4px 4px rgba(0,0,0,.3), inset 0px -4px 4px rgba(255,255,255,.5);
-moz-shadow: 0px 1px 2px #000, inset 0px 4px 4px rgba(0,0,0,.3), inset 0px -4px 4px rgba(255,255,255,.5);
box-shadow: 0px 1px 2px #000, inset 0px 4px 4px rgba(0,0,0,.3), inset 0px -4px 4px rgba(255,255,255,.5);
}
.bubble:before {
content: '';
display: block;
font-size: 0;
width: 0;
height: 0;
border-width: 6px;
position: absolute;
bottom: -12px;
left: 12px;
border-color: #4a4c50 transparent transparent #4a4c50;
border-style: solid dashed dashed solid;
}
.bubble:after {
content: '';
display: block;
font-size: 0;
position: absolute;
bottom: -9px;
left: 13px;
width: 0;
height: 0;
border-width: 5px;
border-color: #e8e8e8 transparent transparent #e8e8e8;
border-style: solid dashed dashed solid;
}
.bubble .content {
position: relative;
padding: 0 4px;
}
.bubble .content:before {
content: '';
position: absolute;
margin: auto;
top: -5px;
left: 0;
width: 100%;
height: 12px;
background-image: -webkit-linear-gradient(top, rgba(255,255,255,1) 0%, rgba(255,255,255,0.2) 90%, rgba(255,255,255,0) 90% );
background-image: -moz-linear-gradient(top, rgba(255,255,255,1) 0%, rgba(255,255,255,0.2) 90%, rgba(255,255,255,0) 90% );
border-radius: 10px
}
/**
* 绿色气泡
*/
#wraper2 .bubble {
background: #b7da2b;
}
#wraper2 .bubble:before {
left: auto;
right: 12px;
border-color: #4a4c50 #4a4c50 transparent transparent;
border-style: solid solid dashed dashed;
}
#wraper2 .bubble:after {
left: auto;
right: 13px;
border-color: #daec93 #daec93 transparent transparent;
border-style: solid solid dashed dashed;
}
/**
* 橙色气泡
*/
#wraper3 .bubble {
background: #f6d031;
}
#wraper3 .bubble:after {
border-color: #fae796 transparent transparent #fae796;
border-style: solid dashed dashed solid;
}
/**
* 黄色气泡
*/
#wraper4 .bubble {
background: #feed24;
}
#wraper4 .bubble:before {
left: auto;
right: 12px;
border-color: #4a4c50 #4a4c50 transparent transparent;
border-style: solid solid dashed dashed;
}
#wraper4 .bubble:after {
left: auto;
right: 13px;
border-color: #fef690 #fef690 transparent transparent;
border-style: solid solid dashed dashed;
}

body {
width: 980px;
margin: 0 auto;
font-family: "微软雅黑";
color: #7d7d7d;
}
img {
border: 0;
}
h1, h2 {
text-align: center;
position: relative;
}
h1 {
color: #0092d3;
}
h2 {
color: #53bde8;
}
h3, h4, h5, h6 {
margin: 0;
}
ul, ol, li {
margin: 0;
padding: 0;
text-align: left;
vertical-align: top;
}
li * {
vertical-align: middle;
}
a {
color: #7d7d7d;
}
a:hover {
color: #000;
}
.indent {
margin-left: 2em;
}
.footer {
text-align: right;
font-size: 12px;
}
h1 img {
vertical-align: middle;
}
.code {
margin-left: 2em;
background-color: #aaa;
border-radius: 5px;
padding: 5px;
font-size: 14px;
color: #fff;
}