1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>盒子</title> 6 <style type="text/css"> 7 .box{ 8 background-color: gold; 9 width: 140px; 10 height: 140px; 11 color: black; 12 border:10px solid; 13 14 padding: 20px; 15 } 16 </style> 17 </head> 18 <body> 19 <div class="box"></div> 20 </body> 21 </html>
原文：https://www.cnblogs.com/kogmaw/p/12420609.html