🎨 Improve structure

index.html

@@ -31,7 +31,10 @@
                 I'm interested in <strong>reinforcement learning</strong> with <strong>uncertainty</strong>. Representative news are <span class="highlight">highlighted</span>. 
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-                The colors are used to categorize different types of news. <span class="paper">Red</span> is used for papers, <span class="project">blue</span> for projects, <span class="award">green</span> for awards, and <span class="other">gray</span> for other news. If you are interested or have a question, please email me.
+                The colors are used to categorize different types of news. <span class="paper">Red</span> is used for papers, <span class="project">blue</span> for projects, <span class="award">green</span> for awards, and <span class="other">gray</span> for other news.
+              </p>
+              <p>
+                If you are interested or have a question, please email me.
               </p>
               <p style="text-align:center">
                 <a href="mailto:windust7@snu.ac.kr">Email</a> &nbsp/&nbsp