<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <style> body { padding: 0px; margin: 0px; } .inp { float: left; margin: 20px 0px 0px 50px background:red; padding:10px; } .inp>div { float: left; font-size: 12px; height: 54px; line-height: 54px; *line-height: 56px; } .inp .que, .inp .imgs { border: 1px solid #d5d5d5; // padding: 0px 40px; margin-right: 80px;/**控制图片之间的距离**/ cursor: pointer; height: 54px; border: 0px; color: #ffffff; font-weight: 800; text-align:center; } .inp .que { background: #16bfd2; } .inp .imgs { background: #feaf48; } .inp .txt input[type="text"] { border: 1px solid #d5d5d5; border-right: 0px; height: 50px; line-height: 50px; *margin-top: -2px; margin-right: 0px; text-indent: 10px; width:500px; } </style> <div class="inp"> <div class="txt"> <input type="text" placeholder="这里输入内容" /> </div> <div class="que" style="width:120px"> <span>确定</span> </div> <div class="imgs" style="width:230px;*width:180px;"> <span>上传我的文档</span> </div> </div> </body> <script> var updata = function(obj) { obj.style.background = 'red'; } </script> </html>