diff --git a/tex/style.tex b/tex/style.tex
index 01beb53..5f2dd5d 100644
--- a/tex/style.tex
+++ b/tex/style.tex
@@ -3,13 +3,19 @@
 \sloppy          % correct word placement on newline.
 
 % colors.
-\definecolor{white}{RGB}{255,255,255} % default white color.
-\definecolor{link}{RGB}{46,116,181}   % web link color.
+\definecolor{white}{RGB}{255,255,255} % default white.
+\definecolor{link}{RGB}{46,116,181}   % web link.
+\definecolor{main}{RGB}{244,67,54}    % main.
+\definecolor{gray}{RGB}{209,213,219}  % gray.
 
 % styles.
-\newcommand{\spar}[0]{\par\vspace{2mm}}                              % default paragraph break.
-\newcommand{\stext}[1]{\fontsize{14}{7}{\selectfont{#1}}}            % default text.
-\newcommand{\sitallic}[1]{\textit{#1}}                               % itallic text. 
-\newcommand{\sbold}[1]{\textbf{#1}}                                  % bold text.
-\newcommand{\sunderline}[1]{\underline{#1}}                          % underline text.
-\newcommand{\slink}[2]{\href{#1}{\textcolor{link}{\sunderline{#2}}}} % link webpage.
+\newcommand{\spar}[0]{\par\vspace{2mm}}                                   % default paragraph break.
+\newcommand{\stext}[1]{\fontsize{14}{7}{\selectfont{#1}}}                 % default text.
+\newcommand{\sitallic}[1]{\textit{#1}}                                    % itallic text. 
+\newcommand{\sbold}[1]{\textbf{#1}}                                       % bold text.
+\newcommand{\ssemibold}[1]{\fontseries{sb}{\selectfont{#1}}}              % semi-bold text.
+\newcommand{\sunderline}[1]{\underline{#1}}                               % underline text.
+\newcommand{\slink}[2]{\href{#1}{\textcolor{link}{\sunderline{#2}}}}      % link webpage.
+\newcommand{\sname}[1]{\fontsize{24}{24}{\selectfont{\sbold{#1}}}}        % name style.
+\newcommand{\scolor}[2]{\textcolor{#1}{#2}}                               % text color alias.
+\newcommand{\sicon}[1]{\raisebox{-1mm}{\includegraphics[height=5mm]{#1}}} % icons.