A blank ggplot2 theme

theme_blank.R

theme.blank = function(size=12) { 
  theme(
    #axis.line=element_blank(), 
    axis.text.x=element_text(size=size), 
    axis.text.y=element_text(size=size), 
    #axis.ticks.y=element_text(size=size),
    #   axis.ticks=element_blank(),
    axis.ticks.length=unit(0.1, "lines"), 
    axis.ticks.margin=unit(0.5, "lines"), 
    axis.title.x=element_text(size=size*1), 
    axis.title.y=element_text(size=size*1,angle=90), 
    legend.background=element_rect(fill="white", colour=NA), 
    legend.key=element_rect(colour="white",fill="white"), 
    legend.key.size=unit(1.2, "lines"), 
    legend.text=element_text(size=size), 
    legend.title=element_text(size=size, face="bold",hjust=0),
    strip.background = element_rect(colour = "black", fill = 'white', size = .5),
    panel.background=element_rect(fill="white",colour="black"), 
    #       panel.border=element_blank(), 
    panel.grid.major=element_blank(), 
    panel.grid.minor=element_blank(), 
    panel.margin=unit(0, "lines"), 
    plot.background=element_blank(), 
    plot.margin=unit(c(1, 1, 0.5, 0.5), "lines"), 
    plot.title=element_text(size=size*1.2), 
    strip.text.y=element_text(colour="black",size=size,angle=270),
    strip.text.x=element_text(size=size*1))}