diff --git a/example/colormaps_list.f90 b/example/colormaps_list.f90
index fa970c6..8920bd6 100644
--- a/example/colormaps_list.f90
+++ b/example/colormaps_list.f90
@@ -27,20 +27,20 @@
 program colormaps_list
     use forcolormap_info, only: Colormaps_info
     implicit none
- 
+
     type(Colormaps_info) :: info
- 
+
     ! Set all colormap information
     call info%set_all()
- 
+
     !! Write colormap information to a file
     call info%write(gradient='Sequential', file_name='colormaps_list/COLORMAPS_LIST_SEQ.md', verbose=4)
     call info%write(gradient='Multi-Sequential', file_name='colormaps_list/COLORMAPS_LIST_MSQ.md', verbose=4)
     call info%write(gradient='Diverging', file_name='colormaps_list/COLORMAPS_LIST_DIV.md', verbose=4)
     call info%write(gradient='Categorical', file_name='colormaps_list/COLORMAPS_LIST_CAT.md', verbose=4)
-    call info%write(gradient='Cyclic', file_name='colormaps_list/COLORMAPS_LIST_CYC.md', verbose=4)   
+    call info%write(gradient='Cyclic', file_name='colormaps_list/COLORMAPS_LIST_CYC.md', verbose=4)
 
     ! Deallocate all colormap information
     call info%finalize()
 
-end program colormaps_list
\ No newline at end of file
+end program colormaps_list
diff --git a/example/info.f90 b/example/info.f90
index b9fc433..5303e21 100644
--- a/example/info.f90
+++ b/example/info.f90
@@ -27,31 +27,27 @@
 program write_info
     use forcolormap_info, only: Colormaps_info
     implicit none
- 
+
     type(Colormaps_info) :: info
- 
+
     ! Set all colormap information
     call info%set_all()
- 
+
     !! Print all colormap information using default verbosity (level 1)
     ! verbose: 1 (default) prints a table , 2 prints a box, 3 prints the name
     call info%write()
-    
- 
 
     !! Filter and write colormap information
     !! Available filters: name, family, gradient, palette, author, license, levels
 
     ! Filter by gradient using default verbosity (level 1)
     call info%write(gradient='Sequential', palette='Continuous')
- 
+
     ! Filter by gradient and palette using default verbosity (level 1)
     call info%write(gradient='Sequential', palette='Continuous')
- 
+
     ! Filter by family and palette using verbosity level 2
     call info%write(family='vik', gradient='Diverging', palette='Continuous', verbose=2)
- 
-
 
     !! Write colormap information to a file
     call info%write(gradient='Sequential', file_name='COLORMAPS_LIST.md', verbose=4)
@@ -59,10 +55,8 @@ program write_info
     call info%write(gradient='Diverging', file_name='COLORMAPS_LIST.md', verbose=4)
     call info%write(gradient='Categorical', file_name='COLORMAPS_LIST.md', verbose=4)
     call info%write(gradient='Cyclic', file_name='COLORMAPS_LIST.md', verbose=4)
-    
 
     ! Deallocate all colormap information
     call info%finalize()
 
  end program write_info
-
diff --git a/test/check.f90 b/test/check.f90
index bb31fff..96641bf 100644
--- a/test/check.f90
+++ b/test/check.f90
@@ -80,16 +80,15 @@ program check
     ! Name is not in the list
     call cmap%set('actom10', 0.0_wp, 2.0_wp)
     if (cmap%get_name() /= 'grayC') error stop "ERROR: colormap%check() name"
-    
+
     ! Maximum value is less than minimum value
     call cmap%set('acton10', 2.0_wp, 0.0_wp)
     if (cmap%get_zmin() /= 0.0_wp .or. cmap%get_zmax() /= 2.0_wp) error stop "ERROR: colormap%check() zmin > zmax"
-    
+
     ! Number of levels is not equal to predefined number of levels
     call cmap%set('acton10', 0.0_wp, 2.0_wp, 256)
     if (cmap%get_levels() /= 10) error stop "ERROR: colormap%check() levels /= predefined levels"
 
-
     !! Test check() procedure within create() procedure
     ! Maximum value is less than minimum value
     call cmap%create("discrete", 2.0_wp, 0.0_wp, test_colormap)