#footer-back-to-notes {
  padding-left: 20px;
  font-weight: lighter;
  color: var(--highlights-body);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex: 1;
  height: 27px;
}

#focusMode {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 10px 0 10px;
  margin: 0 10px 0 10px;
  background-color: var(--container-borders);
  cursor: pointer;
  border-radius: 3px;
}

@media (max-width: 1081px) {
  #footer-left.hiddenFooter {
    display: none;
  }
  #footer-back-to-notes.hiddenFooter {
    display: none;
  }

  .dropup.hiddenButton {
    display: none;
  }

  #footer-selected {
    display:none;
  }
}

@media (min-width: 1082px) {
  #footer-back-to-notes {
    display: none;
  }

  #first-container.hiddenButton {
    display: none;
  }
}

#columns-border-overlay {
  position: fixed;
  top: 9px; /* match .sortable-columns margin-top */
  left: 9px; /* match left margin */
  right: 10px; /* match right margin */
  height: calc(100vh - 19px); /* or a fixed height you want */
  border: 1px solid var(--container-borders); /* or any style */
  pointer-events: none;
  z-index: 9999;
  box-sizing: border-box;
}

#columns-border-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  border: 10px solid var(--body-bg);
  z-index: 9998;
  pointer-events: none;
  box-sizing: border-box;
  opacity:0.8;
}