.gs-back-foyer{
  position:absolute;
  z-index:30;
  left:1.3%;
  bottom:2.2%;
  padding:10px 16px;
  color:#e7c98f;
  background:rgba(10,7,5,.88);
  border:1px solid rgba(216,183,125,.62);
  border-radius:3px;
  text-decoration:none;
  font:600 clamp(.7rem,1vw,.95rem) Georgia,serif;
  letter-spacing:.035em;
  text-shadow:0 2px 7px #000;
  box-shadow:0 4px 18px rgba(0,0,0,.6);
  transition:color .18s,border-color .18s,box-shadow .18s,background .18s;
}
.gs-back-foyer:hover,
.gs-back-foyer:focus-visible{
  color:#f0d7a6;
  background:rgba(15,9,8,.96);
  border-color:rgba(220,175,250,.95);
  box-shadow:0 0 14px 4px rgba(193,116,241,.5),0 4px 18px rgba(0,0,0,.6);
  outline:none;
}