火狐下效果好,ie圆角不兼容
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>tp_logo</title>
<meta name="description" content="">
<meta name="keywords" content="">
<style type="text/css">
.border{border: 1px solid #000;width:200px;margin: 0 auto}
#logo,#left,#right,#bottom{width: 200px;height: 200px;}
#logo{
background-color: #84C255;
border-top-left-radius:30px;
border-bottom-right-radius:30px;
overflow: hidden;
position: relative;
}
#left{
transform:rotate(45deg);
left: -140px;
background-color: #6FB737;
position: absolute;
}
#right{
transform:rotate(45deg);
right: -140px;
background-color: #6FB737;
position: absolute;
}
#bottom{
transform:rotate(45deg);
top: 140px;
background-color: #5E9C2F;
position: absolute;
}
.line{
position: relative;
border-left: 38px solid white;
width: 40px;
height: 70px;
border-bottom-left-radius: 78px 60px;
}
.right{transform:rotate(-120deg);}
.left{transform:rotate(60deg);}
#line1_right{
top:20px;
left: -28px;
}
#line1_left{
top:19px;
left: -68px;
}
#line2_right{
top:-70px;
left: 10px;
}
#line2_left{
top:-71px;
left: -30px;
}
#line3_right{
top:-160px;
left: 48px;
}
#line3_left{
top:-161px;
left: 10px;
}
</style>
</head>
<body>
<center class="border">
<div id="logo">
<div id="left"></div>
<div id="right"></div>
<div id="bottom"></div>
<div class="line right" id="line1_right"></div>
<div class="line left" id="line1_left"></div>
<div class="line right" id="line2_right"></div>
<div class="line left" id="line2_left"></div>
<div class="line right" id="line3_right"></div>
<div class="line left" id="line3_left"></div>
</div>
</center>
</body>
</html>