diff --git a/R/theme_onsv.R b/R/theme_onsv.R
index da589a8..923c308 100644
--- a/R/theme_onsv.R
+++ b/R/theme_onsv.R
@@ -42,21 +42,22 @@ theme_onsv <- function(basesize = 10) {
     legend.background = ggplot2::element_blank(),
     legend.title = ggplot2::element_blank(),
     legend.key = ggplot2::element_blank(),
+    legend.key.size = unit(0.3, "cm"),
     legend.text = ggplot2::element_text(
       family = font,
-      size = basesize,
+      size = basesize - 1,
       color = "grey20"
     ),
     legend.margin = ggplot2::margin(t = 0, r = 0, b = 0, l = -10),
     axis.title = ggplot2::element_text(
       family = font,
-      size = basesize,
+      size = basesize - 1,
       color = "grey10"
     ),
     axis.ticks = ggplot2::element_blank(),
     axis.text = ggplot2::element_text(
       family = font,
-      size = basesize - 1,
+      size = basesize - 2,
       color = "grey30"
     ),
     panel.grid.minor = ggplot2::element_blank(),