css左右箭头

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS Arrows</title>
<style>
  .arrow-button {
    position: relative;
    display: inline-block;
    padding: 10px;
    border: 1px solid #ccc;
    cursor: pointer;
  }

  .arrow-button:before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
  }

  .left-arrow:before {
    left: 10px;
    border-right: 5px solid #000;
  }

  .right-arrow:before {
    right: 10px;
    border-left: 5px solid #000;
  }
</style>
</head>
<body>
<button class="arrow-button left-arrow">Left</button>
<button class="arrow-button right-arrow">Right</button>
</body>
</html>