#phan-trang ul {
  /*display: flex;*/
  list-style: none;
  border-radius: 4px;
}

#phan-trang {
  text-align: center;
  display: flex;
  justify-content: center;
}

#phantrang ul li {
  width: 40px;
  padding: 15px 0;
  height: 40px;
  display: inline-block;
}

a.page-link {
  border-radius: 0;
  margin: 15px 5px;
  padding: 10px 20px;
}

li.page-item.active > a {
  background-color: #505050 !important;
  color: white !important;
}

li.page-item.last > a {
  background-color: #db0000 !important;
  color: white !important;
}

li.page-item > a {
  color: black;
}