我的轮廓是用金色写的,我怎样才能将其改为黑色?
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\title[The Kelly Criterion on Asset Allocation] %(optional, use only with long paper titles)
{Application of the Kelly Criterion on Asset Allocation}
\date[December 17, 2018]{December 17, 2018}
\author[Tommaso Dell'Olmo]{Tommaso Dell'Olmo \\ \small{ Thesis Advisor}: \\ Giulia Livieri \\ Stefano Marmi}
\institute[University of Florence]{University of Florence \\ MSc in Finance and Risk Management}
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\section{Introduction}
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