<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>筆記</title> <style> body,ul { /*組合選擇器*/ list-style: none; /*清除列表默認樣式*/ padding: 0; /*清除padding*/ margin: 0; } li{ float: left; } </style> </head> <body> <div class="count"> <ul> <li>1</li> <li>2</li> <li>3</li> <li>4</li> </ul> </div> </body> </html>