作业界面排版微调

public/stylesheets/courses.css

@@ -502,7 +502,7 @@ blockquote {
 }
 a.member_search_edit {width: 43px;background: #15bccf;color: #fff;text-align: center;text-decoration: none;padding: 2px;}
 .min_search_edit {width: 150px;height: 20px;border: 1px solid #d0d0d0 !important;color: #666;}
-.r_txt_tit{max-width:510px; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;color:#15bccf; float:left; color:#09658c; font-size:14px;}
+.r_txt_tit{max-width:450px; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;color:#15bccf; float:left; color:#09658c; font-size:14px;}
 
 /*日历选择图*/
 img.ui-datepicker-trigger {