plot3

g1 <- ggplot(data=k, aes(x = toupper(app), y = norm, fill = metric)) +
 geom_bar(stat = "identity", width=.5, colour = "black", size = 1) +
 theme_bw(base_size = 50) +
 scale_y_continuous(breaks=seq(0, 100, 20)) +
 scale_fill_manual(values=c("#7CC46D", "#CA6F5A", "#BF7FCA", "#5F9AD2", "#F6A560")) +
 labs(x = "", y = "Instruction Distribution (%)", fill="Instructions") +
 theme(
    panel.grid = element_blank(),
    legend.position="top",
#    legend.position="none",
    legend.direction = "horizontal",
    legend.title = element_blank(),
    legend.key.width = unit(2, "cm"),
    axis.ticks = element_line(colour = "black"),
    panel.border = element_rect(colour = "black"),
    axis.text=element_text(colour = "black", size=75),
    axis.title=element_text(size=45),
#    axis.text.x = element_text(angle = 90),
    legend.text=element_text(size=55),
    axis.title.y = element_blank(),
#    legend.box.margin = margin(b = -1.5, unit="cm"),
#    plot.margin = unit(c(0,0,6.5,0),"cm")
 )