#settingsBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-width: 8.6rem;
  white-space: nowrap;
}

#settingsBtn .reader-style-icon {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
}

#settingsBtn .reader-style-label {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.settings {
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .settings {
    max-height: calc(100vh - 74px);
    overflow-y: auto;
  }

  #settingsBtn {
    min-width: auto;
    padding-inline: .7rem;
  }

  #settingsBtn .reader-style-label {
    font-size: 0;
    letter-spacing: .02em;
  }

  #settingsBtn .reader-style-label::after {
    content: 'Style';
    font-size: .72rem;
  }
}