后台登录页面样式优化

application/admin/view/default/admin/login_info.html

@@ -16,11 +16,11 @@
 					    <div class="am-form-group am-form-group-refreshing form-horizontal m-t-20">
 					      <input type="password" placeholder="登录密码" name="login_pwd" pattern="{{:lang('common_regex_pwd')}}" data-validation-message="密码格式 6~18 个字符" class="am-radius" required />
 					    </div>
-                        <div class="am-form-group am-form-group-refreshing">
+                        <div class="am-form-group am-form-group-refreshing am-margin-top-lg">
                         	<button type="submit" class="am-btn am-btn-primary am-radius btn-loading-example am-btn-sm am-btn-block" data-am-loading="{loadingText:'登录中...'}">登录</button>
                         </div>
                         
-                        <div class="am-form-group am-form-group-refreshing am-text-left am-margin-bottom-0">
+                        <div class="am-form-group am-form-group-refreshing am-text-left am-margin-bottom-0 am-margin-top-sm">
                         	<a href="javascript:;" class="text-muted" data-am-popover="{theme: 'danger sm', content: '请联系管理员重置密码', trigger: 'hover focus'}">忘记密码?</a>
                         </div>
             		</div>