Set font style for axis.text, axis.title, legend.text, strip.text

Change-Id: I0b6e76f719cc6e2e1f58ed8493935be8edcfbf8e
diff --git a/Changelog.md b/Changelog.md
index d7a997c..d1491df 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,7 @@
 # Changelog
 ## 0.4.900
 * decrease ggplot2 base_size from 14 to 12
+* set font style for axis.text, axis.title, legend.text, strip.text
 
 ## 0.4.0
 * change default palette back to adapted D3 to avoid misunderstandings
diff --git a/R/ggplot-theme.R b/R/ggplot-theme.R
index 39ab83e..a30e7d0 100644
--- a/R/ggplot-theme.R
+++ b/R/ggplot-theme.R
@@ -45,6 +45,10 @@
                plot.title = element_text(hjust = 0.5),
                plot.subtitle = element_text(hjust = 0.5, size = 13, colour = mediumContrastColor),
                title = element_text(hjust = 0.5),
+               axis.text = element_text(size = 11, family = base_family),
+               axis.title = element_text(size = 11, family = base_family),
+               legend.text = element_text(size = 11, family = base_family),
+               strip.text =  element_text(size = 11, family = base_family),
                axis.title.x = element_text(hjust = 0.5, size = 11,
                                            colour = mediumContrastColor),
                axis.title.y = element_text(hjust = 0.5, size = 11,