@media (max-width: 761px){
  footer .footer-block--menu  {border-bottom: 1px solid currentcolor; }
  footer .footer-block--menu .footer-block__details-content {max-height: 1000px; transition: 0.4s all; overflow: hidden; margin-bottom: 15px;}
  footer .footer-block--menu .footer-block__details-content.collasped {max-height: 0px; transition: 0.4s all; margin: 0px;}
}