anchor.diff:  											<div class="ln_solid"></div>
   											<div class="form-group">
   												<div class="col-md-6 col-md-offset-3">
  -													<button type="submit" class="btn btn-success">Thêm</button>
  +													<button type="submit" class="btn btn-success ">Thêm</button>
   													<a class="btn btn-default btn-cancel">Hủy</a>
   												</div>
   											</div>
  
positive.code: <%@page import="org.apache.jasper.tagplugins.jstl.core.ForEach"%>
  <%@page import="java.util.ArrayList"%>
  <%@ page language="java" contentType="text/html; charset=utf-8"
  
negative.code: 									</button>
  									<h4 class="modal-title" id="myModalLabel2">Thông báo</h4>
  								</div>
  								<div class="modal-body modal-delete-vaccine">
  									<div class="loading-bar">Đang xử lý...</div>
  									<h4>Bạn có chắc muốn xóa thông tin này?</h4>
  									<input type="text" hidden="true" name="vaccineId">
  								</div>
  								<div class="modal-header">
  									<div style="float: right">
  										<button type="button"
  											class="btn btn-sm btn-danger btn-delete-vaccine">Xóa</button>
  										<button type="button" class="btn btn-sm btn-default"
  											data-dismiss="modal">Đóng</button>
  									</div>
  