<!DOCTYPE html>
<html>
<head>
<style>
.container {
display: flex;
gap: 20px;
padding: 20px;
}
.triangle {
width: 0;
height: 0;
}
/* 直角三角形 */
.triangle-up {
border-right: 50px solid transparent;
border-bottom: 100px solid #3498db;
}
/* 向下三角形 */
.triangle-down {
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid #e74c3c;
}
/* 向左三角形 */
.triangle-left {
border-top: 50px solid transparent;
border-bottom: 50px solid transparent;
border-right: 100px solid #2ecc71;
}
/* 向右三角形 */
.triangle-right {
border-top: 50px solid transparent;
border-bottom: 50px solid transparent;
border-left: 100px solid #f39c12;
}
</style>
</head>
<body>
<div class="container">
<div class="triangle triangle-up"></div>
<div class="triangle triangle-down"></div>
<div class="triangle triangle-left"></div>
<div class="triangle triangle-right"></div>
</div>
</body>
</html>
index.html
style.css
index.js
md
README.md
index.html