```{r, SETTINGS-gg, include=FALSE}
library(ggplot2)
thm_els <- theme(axis.text.y = element_blank(), 
                 legend.position = "none",
                 legend.background = element_rect(fill = "gray"),
                 legend.text = element_text(size = 7))
theme_set(theme_classic() %+replace% thm_els)
```
