diff --git a/docs/Makefile b/docs/Makefile
index 1406ced..7e0ed27 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -15,75 +15,75 @@ ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 .PHONY: help clean html dirhtml pickle json htmlhelp qthelp latex changes linkcheck doctest
 
 help:
-	@echo "Please use \`make <target>' where <target> is one of"
-	@echo "  html      to make standalone HTML files"
-	@echo "  dirhtml   to make HTML files named index.html in directories"
-	@echo "  pickle    to make pickle files"
-	@echo "  json      to make JSON files"
-	@echo "  htmlhelp  to make HTML files and a HTML help project"
-	@echo "  qthelp    to make HTML files and a qthelp project"
-	@echo "  latex     to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
-	@echo "  changes   to make an overview of all changed/added/deprecated items"
-	@echo "  linkcheck to check all external links for integrity"
-	@echo "  doctest   to run all doctests embedded in the documentation (if enabled)"
+    @echo "Please use \`make <target>' where <target> is one of"
+    @echo "  html      to make standalone HTML files"
+    @echo "  dirhtml   to make HTML files named index.html in directories"
+    @echo "  pickle    to make pickle files"
+    @echo "  json      to make JSON files"
+    @echo "  htmlhelp  to make HTML files and a HTML help project"
+    @echo "  qthelp    to make HTML files and a qthelp project"
+    @echo "  latex     to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+    @echo "  changes   to make an overview of all changed/added/deprecated items"
+    @echo "  linkcheck to check all external links for integrity"
+    @echo "  doctest   to run all doctests embedded in the documentation (if enabled)"
 
 clean:
-	-rm -rf $(BUILDDIR)/*
+    -rm -rf $(BUILDDIR)/*
 
 html:
-	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
+    $(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
+    @echo
+    @echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 dirhtml:
-	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
+    $(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
+    @echo
+    @echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
 
 pickle:
-	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
-	@echo
-	@echo "Build finished; now you can process the pickle files."
+    $(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
+    @echo
+    @echo "Build finished; now you can process the pickle files."
 
 json:
-	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
-	@echo
-	@echo "Build finished; now you can process the JSON files."
+    $(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
+    @echo
+    @echo "Build finished; now you can process the JSON files."
 
 htmlhelp:
-	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
-	@echo
-	@echo "Build finished; now you can run HTML Help Workshop with the" \
-	      ".hhp project file in $(BUILDDIR)/htmlhelp."
+    $(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
+    @echo
+    @echo "Build finished; now you can run HTML Help Workshop with the" \
+          ".hhp project file in $(BUILDDIR)/htmlhelp."
 
 qthelp:
-	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
-	@echo
-	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
-	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
-	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/svgcharts.qhcp"
-	@echo "To view the help file:"
-	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/svgcharts.qhc"
+    $(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
+    @echo
+    @echo "Build finished; now you can run "qcollectiongenerator" with the" \
+          ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
+    @echo "# qcollectiongenerator $(BUILDDIR)/qthelp/svgcharts.qhcp"
+    @echo "To view the help file:"
+    @echo "# assistant -collectionFile $(BUILDDIR)/qthelp/svgcharts.qhc"
 
 latex:
-	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo
-	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
-	@echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \
-	      "run these through (pdf)latex."
+    $(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+    @echo
+    @echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
+    @echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \
+          "run these through (pdf)latex."
 
 changes:
-	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
-	@echo
-	@echo "The overview file is in $(BUILDDIR)/changes."
+    $(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
+    @echo
+    @echo "The overview file is in $(BUILDDIR)/changes."
 
 linkcheck:
-	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
-	@echo
-	@echo "Link check complete; look for any errors in the above output " \
-	      "or in $(BUILDDIR)/linkcheck/output.txt."
+    $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
+    @echo
+    @echo "Link check complete; look for any errors in the above output " \
+          "or in $(BUILDDIR)/linkcheck/output.txt."
 
 doctest:
-	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
-	@echo "Testing of doctests in the sources finished, look at the " \
-	      "results in $(BUILDDIR)/doctest/output.txt."
+    $(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
+    @echo "Testing of doctests in the sources finished, look at the " \
+          "results in $(BUILDDIR)/doctest/output.txt."
diff --git a/docs/make.bat b/docs/make.bat
index 89820bf..c975427 100644
--- a/docs/make.bat
+++ b/docs/make.bat
@@ -6,108 +6,108 @@ set SPHINXBUILD=sphinx-build
 set BUILDDIR=_build
 set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
 if NOT "%PAPER%" == "" (
-	set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
+    set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
 )
 
 if "%1" == "" goto help
 
 if "%1" == "help" (
-	:help
-	echo.Please use `make ^<target^>` where ^<target^> is one of
-	echo.  html      to make standalone HTML files
-	echo.  dirhtml   to make HTML files named index.html in directories
-	echo.  pickle    to make pickle files
-	echo.  json      to make JSON files
-	echo.  htmlhelp  to make HTML files and a HTML help project
-	echo.  qthelp    to make HTML files and a qthelp project
-	echo.  latex     to make LaTeX files, you can set PAPER=a4 or PAPER=letter
-	echo.  changes   to make an overview over all changed/added/deprecated items
-	echo.  linkcheck to check all external links for integrity
-	echo.  doctest   to run all doctests embedded in the documentation if enabled
-	goto end
+    :help
+    echo.Please use `make ^<target^>` where ^<target^> is one of
+    echo.  html      to make standalone HTML files
+    echo.  dirhtml   to make HTML files named index.html in directories
+    echo.  pickle    to make pickle files
+    echo.  json      to make JSON files
+    echo.  htmlhelp  to make HTML files and a HTML help project
+    echo.  qthelp    to make HTML files and a qthelp project
+    echo.  latex     to make LaTeX files, you can set PAPER=a4 or PAPER=letter
+    echo.  changes   to make an overview over all changed/added/deprecated items
+    echo.  linkcheck to check all external links for integrity
+    echo.  doctest   to run all doctests embedded in the documentation if enabled
+    goto end
 )
 
 if "%1" == "clean" (
-	for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
-	del /q /s %BUILDDIR%\*
-	goto end
+    for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
+    del /q /s %BUILDDIR%\*
+    goto end
 )
 
 if "%1" == "html" (
-	%SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
-	echo.
-	echo.Build finished. The HTML pages are in %BUILDDIR%/html.
-	goto end
+    %SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
+    echo.
+    echo.Build finished. The HTML pages are in %BUILDDIR%/html.
+    goto end
 )
 
 if "%1" == "dirhtml" (
-	%SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
-	echo.
-	echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
-	goto end
+    %SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
+    echo.
+    echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
+    goto end
 )
 
 if "%1" == "pickle" (
-	%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
-	echo.
-	echo.Build finished; now you can process the pickle files.
-	goto end
+    %SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
+    echo.
+    echo.Build finished; now you can process the pickle files.
+    goto end
 )
 
 if "%1" == "json" (
-	%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
-	echo.
-	echo.Build finished; now you can process the JSON files.
-	goto end
+    %SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
+    echo.
+    echo.Build finished; now you can process the JSON files.
+    goto end
 )
 
 if "%1" == "htmlhelp" (
-	%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
-	echo.
-	echo.Build finished; now you can run HTML Help Workshop with the ^
+    %SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
+    echo.
+    echo.Build finished; now you can run HTML Help Workshop with the ^
 .hhp project file in %BUILDDIR%/htmlhelp.
-	goto end
+    goto end
 )
 
 if "%1" == "qthelp" (
-	%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
-	echo.
-	echo.Build finished; now you can run "qcollectiongenerator" with the ^
+    %SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
+    echo.
+    echo.Build finished; now you can run "qcollectiongenerator" with the ^
 .qhcp project file in %BUILDDIR%/qthelp, like this:
-	echo.^> qcollectiongenerator %BUILDDIR%\qthelp\svgcharts.qhcp
-	echo.To view the help file:
-	echo.^> assistant -collectionFile %BUILDDIR%\qthelp\svgcharts.ghc
-	goto end
+    echo.^> qcollectiongenerator %BUILDDIR%\qthelp\svgcharts.qhcp
+    echo.To view the help file:
+    echo.^> assistant -collectionFile %BUILDDIR%\qthelp\svgcharts.ghc
+    goto end
 )
 
 if "%1" == "latex" (
-	%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
-	echo.
-	echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
-	goto end
+    %SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
+    echo.
+    echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
+    goto end
 )
 
 if "%1" == "changes" (
-	%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
-	echo.
-	echo.The overview file is in %BUILDDIR%/changes.
-	goto end
+    %SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
+    echo.
+    echo.The overview file is in %BUILDDIR%/changes.
+    goto end
 )
 
 if "%1" == "linkcheck" (
-	%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
-	echo.
-	echo.Link check complete; look for any errors in the above output ^
+    %SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
+    echo.
+    echo.Link check complete; look for any errors in the above output ^
 or in %BUILDDIR%/linkcheck/output.txt.
-	goto end
+    goto end
 )
 
 if "%1" == "doctest" (
-	%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
-	echo.
-	echo.Testing of doctests in the sources finished, look at the ^
+    %SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
+    echo.
+    echo.Testing of doctests in the sources finished, look at the ^
 results in %BUILDDIR%/doctest/output.txt.
-	goto end
+    goto end
 )
 
 :end
diff --git a/pygal/__init__.py b/pygal/__init__.py
index ed10788..b7edb31 100644
--- a/pygal/__init__.py
+++ b/pygal/__init__.py
@@ -1,5 +1,5 @@
 #!python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 
 """
 pygal package.
diff --git a/pygal/bar.css b/pygal/bar.css
index 6088eea..321b9a2 100644
--- a/pygal/bar.css
+++ b/pygal/bar.css
@@ -5,74 +5,79 @@ default fill styles for multiple datasets (probably only use a single
 dataset on this graph though)
 */
 .key1,.fill1{
-	fill: #ff0000;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 0.5px;	
+    fill: #ff0000;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 0.5;
+
+}
+.key1,.fill1:hover{
+    fill-opacity: 0.25;
+    -webkit-transition: 250ms;
 }
 .key2,.fill2{
-	fill: #0000ff;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #0000ff;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key3,.fill3{
-	fill: #00ff00;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ff00;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key4,.fill4{
-	fill: #ffcc00;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ffcc00;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key5,.fill5{
-	fill: #00ccff;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ccff;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key6,.fill6{
-	fill: #ff00ff;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ff00ff;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key7,.fill7{
-	fill: #00ffff;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ffff;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key8,.fill8{
-	fill: #ffff00;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ffff00;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key9,.fill9{
-	fill: #cc6666;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #cc6666;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key10,.fill10{
-	fill: #663399;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #663399;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key11,.fill11{
-	fill: #339900;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #339900;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key12,.fill12{
-	fill: #9966FF;
-	fill-opacity: 0.5;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #9966FF;
+    fill-opacity: 0.5;
+    stroke: none;
+    stroke-width: 1px;
 }
diff --git a/pygal/graph.css b/pygal/graph.css
index 1771ade..d2badf1 100644
--- a/pygal/graph.css
+++ b/pygal/graph.css
@@ -8,7 +8,7 @@ Base styles for pygal.Graph
   fill:#ffffff;
 }
 .graphBackground{
-  fill:#f0f0f0;
+  fill:#ffffff;
 }
 
 /* graphs titles */
@@ -33,7 +33,7 @@ Base styles for pygal.Graph
 }
 
 .guideLines{
-  stroke: #666666;
+  stroke: #eee;
   stroke-width: 1px;
   stroke-dasharray: 5,5;
 }
@@ -44,6 +44,7 @@ Base styles for pygal.Graph
   font-size: %(x_label_font_size)dpx;
   font-family: "Arial", sans-serif;
   font-weight: normal;
+  transform: rotate(45deg);
 }
 
 .yAxisLabels{
@@ -71,17 +72,21 @@ Base styles for pygal.Graph
 }
 
 .dataPointLabel{
-  fill: #000000;
+  fill: transparent;
   text-anchor:middle;
   font-size: 10px;
   font-family: "Arial", sans-serif;
   font-weight: normal;
 }
 
+.dataPointLabel:hover{
+  fill: #000000;
+}
+
 .staggerGuideLine{
   fill: none;
   stroke: #000000;
-  stroke-width: 0.5px;  
+  stroke-width: 0.5px;
 }
 
 .keyText{
@@ -90,4 +95,4 @@ Base styles for pygal.Graph
   font-size: %(key_font_size)dpx;
   font-family: "Arial", sans-serif;
   font-weight: normal;
-}
\ No newline at end of file
+}
diff --git a/pygal/pie.css b/pygal/pie.css
index b123e73..26ed4ed 100644
--- a/pygal/pie.css
+++ b/pygal/pie.css
@@ -3,83 +3,83 @@ $Id$
 */
 
 .dataPointLabel{
-	fill: #000000;
-	text-anchor:middle;
-	font-size: %(datapoint_font_size)spx;
-	font-family: "Arial", sans-serif;
-	font-weight: normal;
+    fill: #000000;
+    text-anchor:middle;
+    font-size: %(datapoint_font_size)spx;
+    font-family: "Arial", sans-serif;
+    font-weight: normal;
 }
 
 /* key - MUST match fill styles */
 .key1,.fill1{
-	fill: #ff0000;
-	fill-opacity: 0.7;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ff0000;
+    fill-opacity: 0.7;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key2,.fill2{
-	fill: #0000ff;
-	fill-opacity: 0.7;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #0000ff;
+    fill-opacity: 0.7;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key3,.fill3{
-	fill-opacity: 0.7;
-	fill: #00ff00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #00ff00;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key4,.fill4{
-	fill-opacity: 0.7;
-	fill: #ffcc00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #ffcc00;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key5,.fill5{
-	fill-opacity: 0.7;
-	fill: #00ccff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #00ccff;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key6,.fill6{
-	fill-opacity: 0.7;
-	fill: #ff00ff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #ff00ff;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key7,.fill7{
-	fill-opacity: 0.7;
-	fill: #00ff99;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #00ff99;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key8,.fill8{
-	fill-opacity: 0.7;
-	fill: #ffff00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #ffff00;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key9,.fill9{
-	fill-opacity: 0.7;
-	fill: #cc6666;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #cc6666;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key10,.fill10{
-	fill-opacity: 0.7;
-	fill: #663399;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #663399;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key11,.fill11{
-	fill-opacity: 0.7;
-	fill: #339900;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #339900;
+    stroke: none;
+    stroke-width: 1px;    
 }
 .key12,.fill12{
-	fill-opacity: 0.7;
-	fill: #9966FF;
-	stroke: none;
-	stroke-width: 1px;	
+    fill-opacity: 0.7;
+    fill: #9966FF;
+    stroke: none;
+    stroke-width: 1px;    
 }
diff --git a/pygal/plot.css b/pygal/plot.css
index 685b05b..a1525cb 100644
--- a/pygal/plot.css
+++ b/pygal/plot.css
@@ -4,186 +4,186 @@ $Id$
 default line styles
 */
 .line1{
-	fill: none;
-	stroke: #ff0000;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #ff0000;
+    stroke-width: 1px;
 }
 .line2{
-	fill: none;
-	stroke: #0000ff;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #0000ff;
+    stroke-width: 1px;
 }
 .line3{
-	fill: none;
-	stroke: #00ff00;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #00ff00;
+    stroke-width: 1px;
 }
 .line4{
-	fill: none;
-	stroke: #ffcc00;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #ffcc00;
+    stroke-width: 1px;
 }
 .line5{
-	fill: none;
-	stroke: #00ccff;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #00ccff;
+    stroke-width: 1px;
 }
 .line6{
-	fill: none;
-	stroke: #ff00ff;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #ff00ff;
+    stroke-width: 1px;
 }
 .line7{
-	fill: none;
-	stroke: #00ffff;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #00ffff;
+    stroke-width: 1px;
 }
 .line8{
-	fill: none;
-	stroke: #ffff00;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #ffff00;
+    stroke-width: 1px;
 }
 .line9{
-	fill: none;
-	stroke: #cc6666;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #cc6666;
+    stroke-width: 1px;
 }
 .line10{
-	fill: none;
-	stroke: #663399;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #663399;
+    stroke-width: 1px;
 }
 .line11{
-	fill: none;
-	stroke: #339900;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #339900;
+    stroke-width: 1px;
 }
 .line12{
-	fill: none;
-	stroke: #9966FF;
-	stroke-width: 1px;	
+    fill: none;
+    stroke: #9966FF;
+    stroke-width: 1px;
 }
 /* default fill styles */
 .fill1{
-	fill: #cc0000;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #cc0000;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill2{
-	fill: #0000cc;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #0000cc;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill3{
-	fill: #00cc00;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #00cc00;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill4{
-	fill: #ffcc00;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #ffcc00;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill5{
-	fill: #00ccff;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #00ccff;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill6{
-	fill: #ff00ff;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #ff00ff;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill7{
-	fill: #00ffff;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #00ffff;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill8{
-	fill: #ffff00;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #ffff00;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill9{
-	fill: #cc6666;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #cc6666;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill10{
-	fill: #663399;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #663399;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill11{
-	fill: #339900;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #339900;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 .fill12{
-	fill: #9966FF;
-	fill-opacity: 0.2;
-	stroke: none;
+    fill: #9966FF;
+    fill-opacity: 0.2;
+    stroke: none;
 }
 /* default line styles */
 .key1,.dataPoint1{
-	fill: #ff0000;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ff0000;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key2,.dataPoint2{
-	fill: #0000ff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #0000ff;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key3,.dataPoint3{
-	fill: #00ff00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ff00;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key4,.dataPoint4{
-	fill: #ffcc00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ffcc00;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key5,.dataPoint5{
-	fill: #00ccff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ccff;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key6,.dataPoint6{
-	fill: #ff00ff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ff00ff;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key7,.dataPoint7{
-	fill: #00ffff;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #00ffff;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key8,.dataPoint8{
-	fill: #ffff00;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #ffff00;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key9,.dataPoint9{
-	fill: #cc6666;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #cc6666;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key10,.dataPoint10{
-	fill: #663399;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #663399;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key11,.dataPoint11{
-	fill: #339900;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #339900;
+    stroke: none;
+    stroke-width: 1px;
 }
 .key12,.dataPoint12{
-	fill: #9966FF;
-	stroke: none;
-	stroke-width: 1px;	
+    fill: #9966FF;
+    stroke: none;
+    stroke-width: 1px;
 }
 .constantLine{
   color: navy;
diff --git a/tests/testing.rb b/tests/testing.rb
index fd6e117..06af1dc 100644
--- a/tests/testing.rb
+++ b/tests/testing.rb
@@ -2,12 +2,12 @@ require 'SVG/Graph/Graph'
 require 'SVG/Graph/Plot'
 
 g = SVG::Graph::Plot.new( {
-	:min_x_value=>0,
-	:min_y_value=>0,
-	:area_fill=> true,
-	:stagger_x_labels=>true,
-	:stagger_y_labels=>true,
-	:show_x_guidelines=>true,
+    :min_x_value=>0,
+    :min_y_value=>0,
+    :area_fill=> true,
+    :stagger_x_labels=>true,
+    :stagger_y_labels=>true,
+    :show_x_guidelines=>true,
 })
 
 g.add_data( { :data=>[ 1, 25, 2, 30, 3, 45 ], :title=>'series 1' } )
@@ -23,11 +23,11 @@ f.close()
 require 'SVG/Graph/TimeSeries'
 
 g = SVG::Graph::TimeSeries.new( {
-								   :timescale_divisions => '4 hours',
-								   :stagger_x_labels => true,
-								   :x_label_format => '%d-%b %H:%M',
-								   :max_y_value => 200,
-							   } )
+                                   :timescale_divisions => '4 hours',
+                                   :stagger_x_labels => true,
+                                   :x_label_format => '%d-%b %H:%M',
+                                   :max_y_value => 200,
+                               } )
 g.add_data( { :data=> [ '2005-12-21T00:00:00', 20, '2005-12-22T00:00:00', 21 ], :title=> 'series 1' } )
 
 res = g.burn()
@@ -41,14 +41,14 @@ require 'SVG/Graph/Bar'
 fields = ['Internet', 'TV', 'Newspaper', 'Magazine', 'Radio']
 
 g = SVG::Graph::Bar.new( {
-							:scale_integers=>true,
-							:stack=>:side,
-							:width=>640,
-							:height=>480,
-							:fields=>fields,
-							:graph_title=>'Question 7',
-							:show_graph_title=>true,
-							:no_css=>false
+                            :scale_integers=>true,
+                            :stack=>:side,
+                            :width=>640,
+                            :height=>480,
+                            :fields=>fields,
+                            :graph_title=>'Question 7',
+                            :show_graph_title=>true,
+                            :no_css=>false
 })
 
 g.add_data({:data=>[-2,3,1,3,1], :title=>'Female'})
@@ -61,14 +61,14 @@ f.close()
 require 'SVG/Graph/BarHorizontal'
 
 g = SVG::Graph::BarHorizontal.new( {
-							:scale_integers=>true,
-							:stack=>:side,
-							:width=>640,
-							:height=>480,
-							:fields=>fields,
-							:graph_title=>'Question 7',
-							:show_graph_title=>true,
-							:no_css=>false
+                            :scale_integers=>true,
+                            :stack=>:side,
+                            :width=>640,
+                            :height=>480,
+                            :fields=>fields,
+                            :graph_title=>'Question 7',
+                            :show_graph_title=>true,
+                            :no_css=>false
 })
 
 g.add_data({:data=>[-2,3,1,3,1], :title=>'Female'})
@@ -79,14 +79,14 @@ f.write(g.burn())
 f.close()
 
 g = SVG::Graph::Bar.new({
-	:scale_integers=>true,
-	:stack=>:side,
-	:width=>640,
-	:height=>480,
-	:fields=>fields,
-	:graph_title=>'Question 8',
-	:show_graph_title=>true,
-	:no_css=>false,
+    :scale_integers=>true,
+    :stack=>:side,
+    :width=>640,
+    :height=>480,
+    :fields=>fields,
+    :graph_title=>'Question 8',
+    :show_graph_title=>true,
+    :no_css=>false,
 })
 
 g.add_data({:data=>[2,22,98,143,82], :title=>'intermediate'})
@@ -99,12 +99,12 @@ f.close()
 require 'SVG/Graph/Pie'
 
 g = SVG::Graph::Pie.new({
-	:width=>640,
-	:height=>480,
-	:fields=>fields,
-	:graph_title=>'Question 7',
-	:expand_greatest=>true,
-	:show_data_labels=>true,
+    :width=>640,
+    :height=>480,
+    :fields=>fields,
+    :graph_title=>'Question 7',
+    :expand_greatest=>true,
+    :show_data_labels=>true,
 })
 
 g.add_data({:data=>[-2,3,1,3,1], :title=>'Female'})
@@ -116,14 +116,14 @@ f.close()
 
 require 'SVG/Graph/Line'
 g = SVG::Graph::Line.new( {
-							:scale_integers=>true,
-							:area_fill=>true,
-							:width=>640,
-							:height=>480,
-							:fields=>fields,
-							:graph_title=>'Question 7',
-							:show_graph_title=>true,
-							:no_css=>false
+                            :scale_integers=>true,
+                            :area_fill=>true,
+                            :width=>640,
+                            :height=>480,
+                            :fields=>fields,
+                            :graph_title=>'Question 7',
+                            :show_graph_title=>true,
+                            :no_css=>false
 })
 
 g.add_data({:data=>[-2,3,1,3,1], :title=>'Female'})
@@ -145,7 +145,7 @@ data1 = [
   ]
 title2 = "Another Schedule"
 data2 = [
-	"Just one period", "5/19/04", "6/30/04"
+    "Just one period", "5/19/04", "6/30/04"
 ]
 
 g = SVG::Graph::Schedule.new( {
@@ -178,8 +178,8 @@ g.add_data(
   :title => "Data"
   )
 g.add_data(
-	:data => data2,
-	:title => title2
+    :data => data2,
+    :title => title2
 )
 
 f = File.new('Schedule.rb.svg', 'w')