VBA Code:
Sub HighlightLowerThanValues()
Dim i As Integer
i = InputBox("Enter Lower Than Value", "Enter Value")
Selection.FormatConditions.Delete
Selection.FormatConditions.Add _
Type:=xlCellValue, _
Operator:=xlLower, _
Formula1:=i
Selection.FormatConditions(Selection.FormatConditions.Count).S
tFirstPriority
With Selection.FormatConditions(1)
.Font.Color = RGB(0, 0, 0)
.Interior.Color = RGB(217, 83, 79)
End With
End Sub