切换桌面背景

src/main/webapp/WEB-INF/login.html

@@ -25,7 +25,7 @@
         <div class="login-box card">
             <div class="card-block">
                 <form class="form-horizontal form-material" id="loginform" action="index.html">
-                    <h3 class="box-title m-b-20">Guns管理系统</h3>
+                    <h3 class="box-title m-b-30">Guns管理系统</h3>
                     <div class="form-group ">
                         <div class="col-xs-12">
                             <input class="form-control" type="text" required="" placeholder="账号" autocomplete="off"></div>