fix: overflow issue in Firefox while PDF printing

_sass/minima/_base.scss

@@ -228,6 +228,7 @@ pre {
     margin-left: 0px;
     background-color: #fdfdfd;
     box-shadow: unset;
+    display: block;
   }
 }
 

lib/jekyll-theme-lcsb-default.rb

@@ -3,5 +3,5 @@
 # Note: keep the format of NUMBER.NUMBER.NUMBER (where NUMBER is [0-9]+);
 # Otherwise Gitlab-CI could fail to detect the version (see .gitlab-ci.yml) and auto-tag the job
 module Theme
-    VERSION = "0.3.18"
+    VERSION = "0.3.19"
 end