AMPAD:

cowplot_rotated=function (font_size = 14, font_family = "", line_size = 0.5,
          rel_small = 12/14, rel_tiny = 11/14, rel_large = 16/14)
{
  library(ggplot2)
  half_line <- font_size/2
  small_size <- rel_small * font_size
  theme_grey(base_size = font_size, base_family = font_family) %+replace%
    theme(line = element_line(color = "black", size = line_size,
                              linetype = 1, lineend = "butt"), rect = element_rect(fill = NA,
                                                                                   color = NA, size = line_size, linetype = 1), text = element_text(family = font_family,
                                                                                                                                                    face = "plain", color = "black", size = font_size,
                                                                                                                                                    hjust = 0.5, vjust = 0.5, angle = 0, lineheight = 0.9,
                                                                                                                                                    margin = margin(), debug = FALSE), axis.line = element_line(color = "black",
                                                                                                                                                                                                                size = line_size, lineend = "square"), axis.line.x = NULL,
          axis.line.y = NULL, axis.text = element_text(color = "black",
                                                       size = small_size), axis.text.x = element_text(margin = margin(t = small_size/4),
                                                                                                      vjust = 1,angle=90,hjust=1), axis.text.x.top = element_text(margin = margin(b = small_size/4),
                                                                                                                                                 vjust = 0), axis.text.y = element_text(margin = margin(r = small_size/4),
                                                                                                                                                                                        hjust = 1), axis.text.y.right = element_text(margin = margin(l = small_size/4),
                                                                                                                                                                                                                                     hjust = 0), axis.ticks = element_line(color = "black",
                                                                                                                                                                                                                                                                           size = line_size), axis.ticks.length = unit(half_line/2,
                                                                                                                                                                                                                                                                                                                       "pt"), axis.title.x = element_text(margin = margin(t = half_line/2),
                                                                                                                                                                                                                                                                                                                                                          vjust = 1), axis.title.x.top = element_text(margin = margin(b = half_line/2),
                                                                                                                                                                                                                                                                                                                                                                                                      vjust = 0), axis.title.y = element_text(angle = 90,
                                                                                                                                                                                                                                                                                                                                                                                                                                              margin = margin(r = half_line/2), vjust = 1),
          axis.title.y.right = element_text(angle = -90, margin = margin(l = half_line/2),
                                            vjust = 0), legend.background = element_blank(),
          legend.spacing = unit(font_size, "pt"), legend.spacing.x = NULL,
          legend.spacing.y = NULL, legend.margin = margin(0,
                                                          0, 0, 0), legend.key = element_blank(), legend.key.size = unit(1.1 *
                                                                                                                           font_size, "pt"), legend.key.height = NULL, legend.key.width = NULL,
          legend.text = element_text(size = rel(rel_small)),
          legend.text.align = NULL, legend.title = element_text(hjust = 0),
          legend.title.align = NULL, legend.position = "right",
          legend.direction = NULL, legend.justification = c("left",
                                                            "center"), legend.box = NULL, legend.box.margin = margin(0,
                                                                                                                     0, 0, 0), legend.box.background = element_blank(),
          legend.box.spacing = unit(font_size, "pt"), panel.background = element_blank(),
          panel.border = element_blank(), panel.grid = element_blank(),
          panel.grid.major = NULL, panel.grid.minor = NULL,
          panel.grid.major.x = NULL, panel.grid.major.y = NULL,
          panel.grid.minor.x = NULL, panel.grid.minor.y = NULL,
          panel.spacing = unit(half_line, "pt"), panel.spacing.x = NULL,
          panel.spacing.y = NULL, panel.ontop = FALSE, strip.background = element_rect(fill = "grey80"),
          strip.text = element_text(size = rel(rel_small),
                                    margin = margin(half_line/2, half_line/2, half_line/2,
                                                    half_line/2)), strip.text.x = NULL, strip.text.y = element_text(angle = -90),
          strip.placement = "inside", strip.placement.x = NULL,
          strip.placement.y = NULL, strip.switch.pad.grid = unit(half_line/2,
                                                                 "pt"), strip.switch.pad.wrap = unit(half_line/2,
                                                                                                     "pt"), plot.background = element_blank(), plot.title = element_text(face = "bold",
                                                                                                                                                                         size = rel(rel_large), hjust = 0, vjust = 1,
                                                                                                                                                                         margin = margin(b = half_line)), plot.subtitle = element_text(size = rel(rel_small),
                                                                                                                                                                                                                                       hjust = 0, vjust = 1, margin = margin(b = half_line)),
          plot.caption = element_text(size = rel(rel_tiny),
                                      hjust = 1, vjust = 1, margin = margin(t = half_line)),
          plot.tag = element_text(face = "bold", hjust = 0,
                                  vjust = 0.7), plot.tag.position = c(0, 1), plot.margin = margin(half_line,
                                                                                                  half_line, half_line, half_line), complete = TRUE)
}