UX: Make default site logo height an even 40px

UX: Make default site logo height an even 40px

diff --git a/app/assets/stylesheets/desktop/header.scss b/app/assets/stylesheets/desktop/header.scss
index e0c6e0e..730edd2 100644
--- a/app/assets/stylesheets/desktop/header.scss
+++ b/app/assets/stylesheets/desktop/header.scss
@@ -7,7 +7,7 @@
   height: 4em;
   margin-bottom: 15px;
   #site-logo {
-    height: 2.57em;
+    height: 2.667em; // 40px with default 15px font size
   }
   #site-text-logo {
     font-size: $font-up-3;

GitHub sha: a9982b5a

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