xxxxxxxxxx<html><head><meta charset="utf-8"> <title>W3Cschool教程(w3cschool.cn)</title> <style>.button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; cursor: pointer; float: left;}.button:hover { background-color: #3e8e41;}</style></head><body><h2>按钮组1</h2><p>移除外边距并添加 float:left 来设置按钮组:</p><button class="button">Button</button><button class="button">Button</button><button class="button">Button</button><button class="button">Button</button><p style="clear:both"><br>记住要清除浮动，否则下一个 p 元素的按钮也会显示在同一行。</p></body></html>