background如何简写？如何在背景图像不变的情况下，依旧实现页面文字滚动，为之奈何？别担心，快用background-attachment: fixed;/*固定定位*/常用的background样式如下，1.background-color2.background-image3.background-repeat4.background-attachment5.background-position，废话不多扯，直接代码页面展示：
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 6 <title>11种常用css样式之背景样式学习</title> 7 <style type="text/css"> 8 *{ 9 margin: 0; 10 padding: 0; 11 font: 14px/1.5em "Microsoft YaHei"; 12 color: #fff; 13 } 14 body{ 15 background-image:url(images/xs.png);/*背景图像*/ 16 background-repeat: no-repeat;/*不重复*/ 17 background-color: #ccc; 18 background-position:left center; 19 /* background-position: 50% 50%; */ 20 /*background-position: 10px 10px;*/ 21 /* 以窗口左上角为坐标系（0,0）定xy轴,朝right正,朝bottom为正 */ 22 /* background简写 */ 23 background: #f33 url(images/xs.png) no-repeat right center; 24 background-attachment: fixed;/*固定定位*/ 25 } 26 div.box{ 27 background-color:#f90;/*背景颜色*/ 28 } 29 </style> 30 </head> 31 <body> 32 <div class="box"> 33 你的压力来源于：无法自律，只是假装很努力；现状跟不上内心的欲望；所以你焦虑又恐慌 Your stress comes from: unable to discipline yourself, but pretending to work hard; 34 </div> 35 <!-- <p>你的压力来源于：无法自律，只是假装很努力；现状跟不上内心的欲望；所以你焦虑又恐慌 Your stress comes from: unable to discipline yourself, but pretending to work hard;</p>*50 回车50 --> 36 </body> 37 </html>