diff --git a/man/figures/logo.png b/man/figures/logo.png
index 30d2c49..8ffb053 100644
Binary files a/man/figures/logo.png and b/man/figures/logo.png differ
diff --git a/man/figures/pikchrHex.svg b/man/figures/pikchrHex.svg
index c6f8c0c..ca6cb24 100644
--- a/man/figures/pikchrHex.svg
+++ b/man/figures/pikchrHex.svg
@@ -1,4 +1,4 @@
-<svg style='width:100%;height:auto;font-size:80%;font-family:MonteCarlo;margin:10px 0 10px 0;' xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 79.6616 90.2031"><defs><style type="text/css">@import url(https://fonts.googleapis.com/css2?family=MonteCarlo:wght@400);</style></defs>
+<svg xmlns='http://www.w3.org/2000/svg' class="pikchr" width="79.6616" height="90.2031" viewBox="0 0 79.6616 90.2031" font-family="MonteCarlo"><defs><style type="text/css">@import url(https://fonts.googleapis.com/css2?family=MonteCarlo:wght@400);</style></defs>
 <path d="M39.8308,5.76L73.9016,25.4308L73.9016,64.7723L39.8308,84.4431L5.76,64.7723L5.76,25.4308Z"  style="fill:rgb(39,174,96);stroke-width:1.44;stroke-linejoin:round;stroke:rgb(25,111,61);" />
 <text lengthAdjust="spacingAndGlyphs"  x="39.8308" y="45.1015" text-anchor="middle" fill="rgb(255,255,255)" font-size="80%" dominant-baseline="central">Pikchr</text>
 <circle cx="39.8308" cy="13.6279" r="1.44"  style="fill:none;stroke-width:0.9648;stroke:rgb(125,206,160);" />
diff --git a/tools/generate_logo.py b/tools/generate_logo.py
index 4e2ff74..a26b85f 100644
--- a/tools/generate_logo.py
+++ b/tools/generate_logo.py
@@ -53,10 +53,14 @@ def f(v):
 COL_R2 = "rgb(82,190,128)"
 
 parts = []
+# Standalone logo SVG: explicit width/height + viewBox so it has a defined
+# intrinsic size and renders identically everywhere (no width:100%/height:auto
+# artifact from the pikchr() HTML wrapper, which could clip the bottom).
 parts.append(
-    "<svg style='width:100%;height:auto;font-size:80%;font-family:MonteCarlo;"
-    "margin:10px 0 10px 0;' xmlns='http://www.w3.org/2000/svg' class=\"pikchr\" "
-    f"viewBox=\"0 0 {f(VB_W)} {f(VB_H)}\">"
+    "<svg xmlns='http://www.w3.org/2000/svg' class=\"pikchr\" "
+    f"width=\"{f(VB_W)}\" height=\"{f(VB_H)}\" "
+    f"viewBox=\"0 0 {f(VB_W)} {f(VB_H)}\" "
+    "font-family=\"MonteCarlo\">"
     "<defs><style type=\"text/css\">"
     "@import url(https://fonts.googleapis.com/css2?family=MonteCarlo:wght@400);"
     "</style></defs>"