formatting due to behavior changes on canvas side, and minor changes

demonstration_assignment.html

 <p>Bear in mind objectives and resources from the <a title="Syllabus" href="">Syllabus</a>:</p>
 <ol start="1" type="1">
-    <li>Learn new data science stuff</li>
-    <li>Grapple with that new stuff</li>
-    <li>Discuss that new stuff with us at Office Hours</li>
+<li>Learn new data science stuff</li>
+<li>Grapple with that new stuff</li>
+<li>Discuss that new stuff with us at Office Hours</li>
 </ol>
-<p>Office Hours are held Mondays and Thursdays from 10 AM to noon via Zoom. Meeting links are available at <a
-        class="inline_disabled" href="https://docs.rc.uab.edu/#how-to-contact-us" target="_blank"
+<p>Office Hours are held Mondays and Thursdays from 10 AM to noon via Zoom. Meeting links are available at <a class="inline_disabled" href="https://docs.rc.uab.edu/#how-to-contact-us" target="_blank" rel="noopener noreferrer">https://docs.rc.uab.edu/#how-to-contact-us</a>.</p>
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-        rel="noopener noreferrer">https://docs.rc.uab.edu/#how-to-contact-us</a>.</p>
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welcome_announcement.html

 <p>Hello everyone and welcome to Data Science Journal Club (DSJC)!</p>
-<p>Please take a few minutes to read over the <a title="Syllabus" href="" data-course-type="navigation">syllabus</a> as
-    it is the central repository for information about this course.
-    There is a required, single-question, <a title="Syllabus Affirmation" href="" data-course-type="assignments"
-        data-published="true">Syllabus Affirmation</a> quiz due the Wednesday of next week.</p>
+<p>Please take a few minutes to read over the <a title="Syllabus" href="" data-course-type="navigation">syllabus</a> as it is the central repository for information about this course. There is a required, single-question, <a title="Syllabus Affirmation" href="" data-course-type="assignments" data-published="true">Syllabus Affirmation</a> quiz due the Wednesday of next week.</p>
+<p>If you are new to the course, welcome! We hope you have an enlightening experience. We are happy to answer questions and provide guidance, please feel free to reach out with questions, and please read the syllabus for more detailed information about expectations.</p>
+<p>If you are returning, welcome back! The syllabus may have information that is new and useful to you, we recommend reviewing it.</p>
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-<p>If you are new to the course, welcome! We hope you have an enlightening experience. We are happy to answer questions
-    and provide guidance, please feel free to reach out with questions, and please read the syllabus for more detailed
-    information about expectations.</p>
-<p>If you are returning, welcome back! The syllabus may have information that is new and useful to you, we recommend
-    reviewing it.</p>
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