@media (max-width: 860px) {
  .top-actions #studioBtn {
    display: inline-grid !important;
    width: 37px;
    min-width: 37px;
    padding: 0;
    place-items: center;
    font-size: 0;
  }

  .top-actions #studioBtn::after {
    content: "▣";
    font-size: 15px;
    line-height: 1;
  }
}