2-7五角星的那五个角怎么确定到36度？
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>2-3</title>
<style type="text/css">
/* 此处写代码*/
.flag {
width: 300px;
height: 200px;
background-color: red;
position: relative;
}
.star {
position: absolute;
width: 0;
height: 0;
border-right: 30px solid transparent;
border-top: 20px solid yellow;
border-left: 30px solid transparent;
}
.star::before {
content: "";
display: block;
width: 0;
height: 0;
border-top: 30px solid transparent;
border-right: 20px solid yellow;
border-bottom: 30px solid transparent;
transform: rotate(-16deg) translateY(-44px);
}
.star::after {
content: "";
display: block;
width: 0;
height: 0;
border-top: 30px solid transparent;
border-left: 20px solid yellow;
border-bottom: 30px solid transparent;
transform: rotate(17deg) translate(-39px, -94px);
}
.big {
left: 20px;
top: 50px;
}
.small:nth-child(2) {
left: 70px;
top: 10px;
transform:scale(0.35) rotate(-45deg);
}
.small:nth-child(3) {
left: 90px;
top: 35px;
transform:scale(0.35) rotate(-30deg);
}
.small:nth-child(4) {
left: 90px;
top: 65px;
transform:scale(0.35) rotate(-5deg);
}
.small:nth-child(5) {
left: 70px;
top: 85px;
transform:scale(0.35) rotate(-45deg);
}
</style>
</head>
<body>
<!-- 此处写代码 -->
<div class="flag">
<div class="star big"></div>
<div class="star small"></div>
<div class="star small"></div>
<div class="star small"></div>
<div class="star small"></div>
</div>
</body>
</html>五角星的那五个角怎么确定到36度，我画的border长度是随便给的，没有到36度，这个36度怎么使用border精确确定呢？
正在回答 回答被采纳积分+1
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>五角星</title>
<style>
#star-five {
margin: 50px;
position: relative;
display: block;
color: red;
width: 0;
height: 0;
border-right: 100px solid transparent;
border-bottom: 70px solid red;
border-left: 100px solid transparent;
/*-moz-transform: rotate(35deg);*/
/*-webkit-transform: rotate(35deg);*/
/*-ms-transform: rotate(35deg);*/
/*-o-transform: rotate(35deg);*/
transform: rotate(35deg);
}
#star-five:before {
border-bottom: 80px solid red;
border-left: 30px solid transparent;
border-right: 30px solid transparent;
position: absolute;
height: 0;
width: 0;
top: -45px;
left: -65px;
display: block;
/*下面这条代码是必须的，表示在#star-five盒子之前插入一个非空的盒子*/
content: '';
-webkit-transform: rotate(-35deg);
-moz-transform: rotate(-35deg);
-ms-transform: rotate(-35deg);
-o-transform: rotate(-35deg);
}
#star-five:after {
position: absolute;
display: block;
color: red;
top: 3px;
left: -105px;
width: 0;
height: 0;
border-right: 100px solid transparent;
border-bottom: 70px solid red;
border-left: 100px solid transparent;
-webkit-transform: rotate(-70deg);
-moz-transform: rotate(-70deg);
-ms-transform: rotate(-70deg);
-o-transform: rotate(-70deg);
content: '';
}
</style>
</head>
<body>
<div id="star-five"></div>
</body>
</html>
我是这样写的，你看看
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