span.mw-powered-by {
  display: none !important;
}
#header-layout-btn {
  visibility: hidden;
  max-width: 10px;
}

@media screen and (max-width: 600px) {
  .header-section-title, .header-section-title span {
    font-size: 3.5rem !important;
  }
  .mh-100vh {
  min-height: 65vh;
}