change usepackage to require

kartsstyle.cls

@@ -22,7 +22,7 @@
 % Page geometry and PDF settings
 %
 \RequirePackage[a4paper,bottom=3.2cm,outer=2cm, inner=1.5cm, footskip=2.0cm]{geometry}
-\usepackage[hidelinks]{hyperref}
+\RequirePackage[hidelinks]{hyperref}
 \hypersetup{pdfpagelayout=TwoColumnRight,pdfstartview={XYZ null null 1.00}}
 
 \raggedbottom
@@ -30,10 +30,10 @@
 %
 % Microtype and fonts
 %
-\usepackage{microtype}
-\usepackage[scaled]{helvet}
-\usepackage[]{scholax}
-\usepackage{anyfontsize}
+\RequirePackage{microtype}
+\RequirePackage[scaled]{helvet}
+\RequirePackage[]{scholax}
+\RequirePackage{anyfontsize}
 
 %
 % Colors
@@ -91,8 +91,8 @@
 %
 % Firstpar environment for the first paragraph of the chapter. Adds drop-capital, increases font size and add line spacing
 %
-\usepackage[loversize=0.2,nindent=0.0em]{lettrine}
-\usepackage{setspace}
+\RequirePackage[loversize=0.2,nindent=0.0em]{lettrine}
+\RequirePackage{setspace}
 
 \newenvironment{firstpar}{\onehalfspacing\large\lettrine}{\normalsize\par}
 
@@ -107,10 +107,15 @@
 
 \AtBeginEnvironment{multicols}{\small}
 
+%
+% Graphics
+%
+\RequirePackage{graphicx}
+
 %
 % Metaphysics require complex math typesetting
 %
-\usepackage{amsmath}
+\RequirePackage{amsmath}
 
 %
 % Cleveref -- Must be loaded after hyperref and amsmath
@@ -125,6 +130,6 @@
 %
 % For side boxes
 % 
-\usepackage{framed}
+\RequirePackage{framed}
 
 \newenvironment{boxnote}[1][Note]{\begin{framed}\textbf{\sffamily #1} }{\end{framed}}