{% extends 'base.html' %}

{% block header_content %}
<style>
.center {
 width: auto;
 display: table;
 margin-left: auto;
 margin-right: auto;
}
.text-center > table > tbody > tr > th,
.text-center > table > thead > tr > th {
 text-align: center;
}

.table-responsive {
width: 100%;
margin-bottom: 15px;
overflow-x: scroll;
overflow-y: hidden;
border: 1px solid #dddddd;
-ms-overflow-style: -ms-autohiding-scrollbar;
-webkit-overflow-scrolling: touch;
}
.table-responsive > .table {
margin-bottom: 0;
}
.table-r