分屏的关闭事件，相关样式调整

shuishen

2021-06-04 a239631f7bbd0c17037c31d3fcb04504ab317c51

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//>>built
define(["dojo/dom-class","dojo/hccss","dojo/domReady","dojo/_base/window"],function(b,a,c,d){c(function(){a("highcontrast")&&b.add(d.body(),"dijit_a11y")});return a});