使用css（border）边框实现倒三角 

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>使用border制作倒三角</title>
	</head>

	<body>

		<style>
			.arrow_01 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: blue transparent transparent transparent;
			}
			.arrow_02 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: transparent blue transparent transparent;

			}
			.arrow_03 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: transparent transparent blue transparent;
			}
			.arrow_04 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: transparent transparent transparent blue;
			}
			.arrow_05 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: blue blue transparent transparent;
			}
			.arrow_06 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: transparent transparent blue blue;
			}
			
			.arrow_07 {
				width: 0;
				height: 0;
				border: 60px solid #000;
				border-color: transparent blue blue transparent;
			}
			
						
		</style>

		<div class="arrow_01"></div>
		<div class="arrow_02"></div>
		<div class="arrow_03"></div>
		<div class="arrow_04"></div>
		<div class="arrow_05"></div>
		<div class="arrow_06"></div>
		<div class="arrow_07"></div>

	</body>

</html>

 

posted @ 2015-04-10 10:04  small-box  阅读(2095)  评论(0)    收藏  举报