/* Version 2.3: make the second-level menu visually unmistakable. */
.v21-submenu:not([hidden]){
  position:relative;
  display:flex;
  width:fit-content;
  max-width:100%;
  margin-top:7px;
  padding:8px;
  gap:5px;
  border:1px solid #1fd9ed99;
  border-radius:10px;
  background:linear-gradient(135deg,#063e4de8,#071d2ae8);
  box-shadow:0 0 0 1px #52e5f01a inset,0 8px 24px #00151eb8,0 0 18px #00cbe52b;
}
.v21-submenu:not([hidden])::before{
  content:'МЕСТА';
  align-self:center;
  margin:0 4px 0 1px;
  color:#66efff;
  font:700 9px/1 Arial,sans-serif;
  letter-spacing:.13em;
}
.v21-submenu button{
  border:1px solid #38d6e47d!important;
  background:#082d38!important;
  color:#a8f4ff!important;
  box-shadow:0 0 10px #00cde51c inset;
}
.v21-submenu button:hover,
.v21-submenu button.active{
  border-color:#7af5ff!important;
  background:#087c91!important;
  color:#effeff!important;
  box-shadow:0 0 14px #28e3f66b;
}
.v21-submenu button:focus-visible{outline-color:#55efff!important}
@media(max-width:760px){
  .v21-submenu:not([hidden]){width:100%;padding:7px;gap:4px}
  .v21-submenu:not([hidden])::before{width:100%;margin:0 0 2px 2px}
}