#listadoDeHojas {
  width: 160px;
  max-height: 250px;
  background: #343a40;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Scrollbar igual al del editor */

#listadoDeHojas::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

#listadoDeHojas::-webkit-scrollbar-thumb {
  background: #393959;
  border-radius: 7px;
}

#listadoDeHojas::-webkit-scrollbar-track {
  background: #232336;
  border-radius: 7px;
}

#listadoDeHojas::-webkit-scrollbar-corner {
  background: #232336;
}

/* Firefox */

#listadoDeHojas {
  scrollbar-width: thin;
  scrollbar-color: #393959 #232336;
}

/* Botones internos: base, hover y active */

#listadoDeHojas .btn {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 160px;
  height: 26px;
  padding: 0 0 0 16px;
  font-size: 12px;
  border-radius: 0;
  border: none;
  background-color: #343a40 !important;
  border-color: #343a40 !important;
  color: #fff;
  transition: background-color .2s ease, border-color .2s ease;
}

#listadoDeHojas .btn:hover {
  background-color: #52575c !important;
  border-color: #52575c !important;
}

#listadoDeHojas .btn:active {
  background-color: #0d6efd !important;
  border-color: #0d6efd !important;
}

/* Accesible al teclado */

#listadoDeHojas .btn:focus-visible {
  outline: 2px solid #0d6efd;
  outline-offset: 2px;
}