/* footer start */
footer {
  height: 80px;
  line-height: 40px;
  background: #242424;
  font-weight: 500;
  font-size: 14px;
  line-height: 18px;
  color: #999;
  text-align: center;
}

footer .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

footer .copyright a.btn_backend{
  display: inline-block;
  color: #999;
  text-decoration: underline;
}
footer .copyright a.btn_backend:hover{
  color: #35f;
}

/* footer end */

@media screen and (max-width: 767px) {
  footer {
    height: 80px;
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
  }

  footer .container > div {
    margin: 0 16px;
  }

  footer .copyright a.btn_backend{
    color: rgba(255, 255, 255, 0.7);
  }
}