width: 10px; height: 10px; border: 10px solid; border-color: red green yellow blue;
.info {
margin-top: 50px;
position:relative;
width:200px;
height:50px;
line-height:60px;
background:#F6F1B3;
box-shadow:1px 2px 3px #E9D985;
border:1px solid #DACE7C;
border-radius:4px;
text-align:center;
color:red;
}
.nav {
position:absolute;
left:30px;
overflow:hidden;
width:0;
height:0;
border-width:10px;
border-style:solid dashed dashed dashed;
}
.nav-border {
top:-20px;
border-color:transparent transparent #DACE7C transparent;
}
.nav-background {
top:-19px;
border-color:transparent transparent #F6F1B3 transparent;
}
<div class="info"> <span>提示信息</span> <div class="nav nav-border"></div> <div class="nav nav-background"></div> </div>
.info {
margin-top : 50px;
position :relative;
width :200px;
height :50px;
line-height :60px;
background :#F6F1B3;
box-shadow :1px 2px 3px #E9D985;
border :1px solid #DACE7C;
border-radius :4px;
text-align :center;
color :red;
}
.nav {
position :absolute;
top :-8px;
left :30px;
overflow :hidden;
width :13px;
height :13px;
background :#F6F1B3;
border-left :1px solid #DACE7C;
border-top :1px solid #DACE7C;
-webkit-transform :rotate(45deg);
-moz-transform :rotate(45deg);
-o-transform :rotate(45deg);
transform :rotate(45deg);
}
<div class="info"> <span>提示信息</span> <div class="nav"></div> </div>
.info {
margin-top: 50px;
position:relative;
width:200px;
height:50px;
line-height:60px;
background:#F6F1B3;
box-shadow:1px 2px 3px #E9D985;
border:1px solid #DACE7C;
border-radius:4px;
text-align:center;
color:red;
}
.nav {
position:absolute;
left:30px;
overflow:hidden;
width:24px;
height:24px;
font:normal 24px "微软雅黑";
}
.nav-border {
top:-17px;
color:#DACE7C;
}
.nav-background {
top:-16px;
color:#F6F1B3;
}
<div class="info"> <span>提示信息</span> <div class="nav nav-border">♦</div> <div class="nav nav-background">♦</div> </div>
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<style>
div.container{
position :absolute;
top :30px;
left :40px;
font-size : 9pt;
display :block;
height :100px;
width :200px;
background-color :transparent;
*border :1px solid #666;
}
s{
position :absolute;
top :-20px;
*top :-22px;
left :20px;
display :block;
height :0;
width :0;
font-size : 0;
line-height : 0;
border-color :transparent transparent #666 transparent;
border-style :dashed dashed solid dashed;
border-width :10px;
}
i{
position :absolute;
top :-9px;
*top :-9px;
left :-10px;
display :block;
height :0;
width :0;
font-size : 0;
line-height : 0;
border-color :transparent transparent #fff transparent;
border-style :dashed dashed solid dashed;
border-width :10px;
}
.content{
border :1px solid #666;
-moz-border-radius :3px;
-webkit-border-radius :3px;
position :absolute;
background-color :#fff;
width :100%;
height :100%;
padding :5px;
*top :-2px;
*border-top :1px solid #666;
*border-top :1px solid #666;
*border-left :none;
*border-right :none;
*height :102px;
box-shadow : 3px 3px 4px #999;
-moz-box-shadow : 3px 3px 4px #999;
-webkit-box-shadow : 3px 3px 4px #999;
/* For IE 5.5 - 7 */
filter: progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999');
/* For IE 8 */
-ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999')";
}
</style>
</head>
<body>
<div class="container">
<div class="content">
hello world!
</div>
<s>
<i></i>
</s>
</div>
</body>
</html>
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