Fix some Styling

_extensions/header/header.tex

@@ -1,3 +1,6 @@
+\usepackage{float}
+\floatplacement{figure}{H}
+\raggedbottom
 \usepackage{etoolbox}
 \makeatletter
 \patchcmd{\LT@array}{\tabskip\z@}{\tabskip\fill}{}{}
@@ -12,7 +15,9 @@
 
 \usepackage[hyphens]{url}
 \usepackage[hidelinks]{hyperref}
-\setlength{\emergencystretch}{3em} % Prevent overfull lines
+\usepackage[htt]{hyphenat}
+\usepackage{microtype}
+\setlength{\emergencystretch}{5em} % Increased to solve overfull lines
 
 \usepackage{tocloft}