[后端]修改了我的提交列表的模板样式,整理格式

template/oj/submission/my_submissions_list.html

@@ -2,15 +2,15 @@
 
 {% block body %}
 
-    {% load submission %}
-    <div class="container main">
+{% load submission %}
+<div class="container main">
     <ul class="nav nav-tabs nav-tabs-google">
         <li role="presentation">
             <a href="/submission/">提交</a></li>
         <li role="presentation" class="active">
             <a href="/submission/my_submissions/">我的提交</a></li>
     </ul>
-        
+    <br>
     <table class="table table-bordered">
         <thead>
         <tr class="" success>
@@ -56,5 +56,5 @@
             {% endif %}
         </ul>
     </nav>
-    </div>
+</div>
 {% endblock %}