/* Tighten mark block distance from the slider rail for this slider only */
#slider-dayandhour .rc-slider-mark {
  top: 14px;         /* default is ~18px; lowering reduces the gap */
}

/* If you want to pull the label text itself upward a bit more */
#slider-dayandhour .rc-slider-mark-text {
  transform: translateY(-4px);
  font-size: 11px;
}

/* Optional: trim the slider’s internal bottom padding */
#slider-dayandhour .rc-slider {
  padding-bottom: 2px;  /* default is 5px */
}