/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/1456(这个说明仅在演示里会看到,下载的源码里没有)*/@charset "UTF-8";/* * jQuery File Upload Plugin CSS 1.3.0 * https://github.com/blueimp/jQuery-File-Upload * * Copyright 2013, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */.fileinput-button {  position: relative;  overflow: hidden;}.fileinput-button input {  position: absolute;  top: 0;  right: 0;  margin: 0;  opacity: 0;  -ms-filter: 'alpha(opacity=0)';  font-size: 200px;  direction: ltr;  cursor: pointer;}/* Fixes for IE < 8 */@media screen\9 {  .fileinput-button input {    filter: alpha(opacity=0);    font-size: 100%;    height: 100%;  }}/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/1456(这个说明仅在演示里会看到,下载的源码里没有)*/