/* Mathematik integration */
.mathematik-return{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:5px 9px;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--muted);
  background:var(--panel-2);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
  white-space:nowrap;
}
.mathematik-return:hover{
  color:var(--text);
  border-color:#596779;
}
.header-right{
  flex-wrap:wrap;
}
@media(max-width:760px){
  .mathematik-return{
    order:3;
  }
}