diff --git a/font/FiraSans/FiraSans-Medium.ttf b/font/FiraSans/FiraSans-Medium.ttf
new file mode 100644
index 0000000..c454f73
Binary files /dev/null and b/font/FiraSans/FiraSans-Medium.ttf differ
diff --git a/styles/consultationexpress/a4paper/header.tex b/styles/consultationexpress/a4paper/header.tex
index 3ad34cf..605dde2 100644
--- a/styles/consultationexpress/a4paper/header.tex
+++ b/styles/consultationexpress/a4paper/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/a4paper_prive/header.tex b/styles/consultationexpress/a4paper_prive/header.tex
index 4a784f0..51b10b0 100644
--- a/styles/consultationexpress/a4paper_prive/header.tex
+++ b/styles/consultationexpress/a4paper_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/instagram-carre/header.tex b/styles/consultationexpress/instagram-carre/header.tex
index 6c27adf..d59f098 100644
--- a/styles/consultationexpress/instagram-carre/header.tex
+++ b/styles/consultationexpress/instagram-carre/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/instagram-fullscreen/header.tex b/styles/consultationexpress/instagram-fullscreen/header.tex
index c18b771..d7aaa8f 100644
--- a/styles/consultationexpress/instagram-fullscreen/header.tex
+++ b/styles/consultationexpress/instagram-fullscreen/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/instagram-story/header.tex b/styles/consultationexpress/instagram-story/header.tex
index c798cb7..b9eb550 100644
--- a/styles/consultationexpress/instagram-story/header.tex
+++ b/styles/consultationexpress/instagram-story/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/lettre/header.tex b/styles/consultationexpress/lettre/header.tex
index a964c0b..7af5c31 100644
--- a/styles/consultationexpress/lettre/header.tex
+++ b/styles/consultationexpress/lettre/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/lettre_prive/header.tex b/styles/consultationexpress/lettre_prive/header.tex
index a964c0b..7af5c31 100644
--- a/styles/consultationexpress/lettre_prive/header.tex
+++ b/styles/consultationexpress/lettre_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/consultationexpress/slide169/header.tex b/styles/consultationexpress/slide169/header.tex
index 4677c7e..594be4a 100644
--- a/styles/consultationexpress/slide169/header.tex
+++ b/styles/consultationexpress/slide169/header.tex
@@ -50,7 +50,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/a4paper/header.tex b/styles/deconstruit/a4paper/header.tex
index f0c1ef8..52c60a6 100644
--- a/styles/deconstruit/a4paper/header.tex
+++ b/styles/deconstruit/a4paper/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/a4paper_prive/header.tex b/styles/deconstruit/a4paper_prive/header.tex
index 57a73d2..152779f 100644
--- a/styles/deconstruit/a4paper_prive/header.tex
+++ b/styles/deconstruit/a4paper_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/instagram-carre/header.tex b/styles/deconstruit/instagram-carre/header.tex
index b4e4ca7..c6e6bc6 100644
--- a/styles/deconstruit/instagram-carre/header.tex
+++ b/styles/deconstruit/instagram-carre/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/instagram-fullscreen/header.tex b/styles/deconstruit/instagram-fullscreen/header.tex
index c8c3dae..0447f70 100644
--- a/styles/deconstruit/instagram-fullscreen/header.tex
+++ b/styles/deconstruit/instagram-fullscreen/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/instagram-story/header.tex b/styles/deconstruit/instagram-story/header.tex
index ed589de..7294186 100644
--- a/styles/deconstruit/instagram-story/header.tex
+++ b/styles/deconstruit/instagram-story/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/lettre/header.tex b/styles/deconstruit/lettre/header.tex
index c75fa51..ec205a1 100644
--- a/styles/deconstruit/lettre/header.tex
+++ b/styles/deconstruit/lettre/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/lettre_prive/header.tex b/styles/deconstruit/lettre_prive/header.tex
index c75fa51..ec205a1 100644
--- a/styles/deconstruit/lettre_prive/header.tex
+++ b/styles/deconstruit/lettre_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/deconstruit/slide169/header.tex b/styles/deconstruit/slide169/header.tex
index f3dd4c9..93d60e5 100644
--- a/styles/deconstruit/slide169/header.tex
+++ b/styles/deconstruit/slide169/header.tex
@@ -50,7 +50,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/a4paper/header.tex b/styles/jevalideca/a4paper/header.tex
index a74c35b..8746bab 100644
--- a/styles/jevalideca/a4paper/header.tex
+++ b/styles/jevalideca/a4paper/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/a4paper_prive/header.tex b/styles/jevalideca/a4paper_prive/header.tex
index 8db0056..c8f75ed 100644
--- a/styles/jevalideca/a4paper_prive/header.tex
+++ b/styles/jevalideca/a4paper_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/instagram-carre/header.tex b/styles/jevalideca/instagram-carre/header.tex
index 8718411..8e9f348 100644
--- a/styles/jevalideca/instagram-carre/header.tex
+++ b/styles/jevalideca/instagram-carre/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/instagram-fullscreen/header.tex b/styles/jevalideca/instagram-fullscreen/header.tex
index 5628c32..687dc0b 100644
--- a/styles/jevalideca/instagram-fullscreen/header.tex
+++ b/styles/jevalideca/instagram-fullscreen/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/instagram-story/header.tex b/styles/jevalideca/instagram-story/header.tex
index a142aaf..4f9a1a7 100644
--- a/styles/jevalideca/instagram-story/header.tex
+++ b/styles/jevalideca/instagram-story/header.tex
@@ -52,7 +52,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/lettre/header.tex b/styles/jevalideca/lettre/header.tex
index 3a90fde..d64d542 100644
--- a/styles/jevalideca/lettre/header.tex
+++ b/styles/jevalideca/lettre/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/lettre_devis/header.tex b/styles/jevalideca/lettre_devis/header.tex
index 855a21f..b0aedb4 100644
--- a/styles/jevalideca/lettre_devis/header.tex
+++ b/styles/jevalideca/lettre_devis/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/lettre_prive/header.tex b/styles/jevalideca/lettre_prive/header.tex
index ccd1be9..c7359fc 100644
--- a/styles/jevalideca/lettre_prive/header.tex
+++ b/styles/jevalideca/lettre_prive/header.tex
@@ -42,7 +42,7 @@
 \makeatother
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}
 
diff --git a/styles/jevalideca/slide169/header.tex b/styles/jevalideca/slide169/header.tex
index 2fd225e..c00dd2b 100644
--- a/styles/jevalideca/slide169/header.tex
+++ b/styles/jevalideca/slide169/header.tex
@@ -50,7 +50,7 @@
 \captionsetup{labelformat=nolabel,textformat=empty}
 
 \usepackage{fontspec}
-  \setmainfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
+  \setmainfont[Path=font/FiraSans/]{FiraSans-Medium.ttf}
   \setsansfont[Path=font/FiraSans/]{FiraSans-Book.ttf}
   \setmonofont[Path=font/SourceCodePro/]{SourceCodePro-Regular.ttf}