bug#2841:课程讨论区：主题的输入框和描述的编辑器位置应该对齐

app/views/boards/show.html.erb

@@ -1,4 +1,5 @@
 <style type="text/css">
+    div.talk_new .ke-container{margin-left:57px;}
     /*div.ke-toolbar{display:none;width:400px;border:none;background:none;padding:0px 0px;}
     span.ke-toolbar-icon{line-height:26px;font-size:14px;padding-left:26px;}
     span.ke-toolbar-icon-url{background-image:url( /images/public_icon.png )}
@@ -127,13 +128,17 @@ function nh_init_board(params){
             var editor = params.kindutil.create(params.textarea, {
 //                allowPreviewEmoticons : false,
 //                allowImageUpload : false,
-                resizeType : 1,minWidth:"1px",width:"565px",height:"150px",
+                resizeType : 1,minWidth:"1px",width:"560px",height:"150px",
                 allowFileManager:true,uploadJson:"/kindeditor/upload",
                 fileManagerJson:"/kindeditor/filemanager",
                 afterChange:function(){//按键事件
                     nh_check_field({content:this,contentmsg:params.contentmsg,textarea:params.textarea});
                 },
                 afterCreate:function(){
+                  var userAgent = navigator.userAgent.toLowerCase();
+                  if(/trident/.test(userAgent)){
+                    $("div.talk_new .ke-container").css({'margin-left':'55px'});
+                  }
 //                    var toolbar = $("div[class='ke-toolbar']",params.about_talk);
 //                    $(".ke-outline>.ke-toolbar-icon",toolbar).append('表情');
 //                    params.toolbar_container.append(toolbar);