diff --git a/index.html b/index.html
index adffc50..80883fc 100644
--- a/index.html
+++ b/index.html
@@ -23,8 +23,7 @@ <h1 id="title">Albert Einstein</h1>
       <figure id="img-div">
         <img
           id="image"
-          width="380px"
-          src="images/Albert Einstein Portrait.webp"
+          src="images/albert_einstein_portrait.webp"
           alt="Portrait of Albert Einstein"
         />
         <figcaption id="img-caption">
@@ -74,133 +73,104 @@ <h2>Biography</h2>
         <h2>Timeline of Einstein's Life</h2>
         <ul>
           <li>
-            <strong>1879</strong><br />Albert Einstein is born in Ulm, Germany,
-            the first child of Hermann and Pauline Einstein.
+            <strong>1879</strong> - Albert Einstein is born in Ulm, Germany, the
+            first child of Hermann and Pauline Einstein.
           </li>
-          <br /><br />
           <li>
-            <strong>1880</strong><br />The Einstein family moves to Munich,
+            <strong>1880</strong> - The Einstein family moves to Munich,
             Germany.
           </li>
-          <br /><br />
           <li>
-            <strong>1885</strong><br />Einstein enrolls in the second grade of a
+            <strong>1885</strong> - Einstein enrolls in the second grade of a
             Catholic elementary school called the Petersschule. He receives
             Jewish religious instruction at home and also begins taking violin
             lessons.
           </li>
-          <br /><br />
           <li>
-            <strong>1888</strong><br />Einstein is accepted at the Luitpold
+            <strong>1888</strong> - Einstein is accepted at the Luitpold
             Gymnasium
           </li>
-          <br /><br />
           <li>
-            <strong>1889</strong><br />The medical student Max Talmud begins
+            <strong>1889</strong> - The medical student Max Talmud begins
             joining the Einstein family regularly for dinner and introduces
             Albert to scientific and philosophical writings.
           </li>
-          <br /><br />
           <li>
-            <strong>1894</strong><br />The Einstein family moves to Milan,
-            Italy, but Einstein remains in Munich to complete his education at
-            the Gymnasium.
+            <strong>1894</strong> - The Einstein family moves to Milan, Italy,
+            but Einstein remains in Munich to complete his education at the
+            Gymnasium.
           </li>
-          <br /><br />
           <li>
-            <strong>1895</strong><br />After failing the entry exam for the
-            Zurich Polytechnic, Einstein is accepted to the trade department of
-            the cantonal school in Aarau, Switzerland. He lives with the family
-            of Jost Winteler, a teacher in Aarau.
+            <strong>1895</strong> - After failing the entry exam for the Zurich
+            Polytechnic, Einstein is accepted to the trade department of the
+            cantonal school in Aarau, Switzerland. He lives with the family of
+            Jost Winteler, a teacher in Aarau.
           </li>
-          <br /><br />
           <li>
-            <strong>1896</strong><br />Einstein's officially renounces his
-            German citizenship.
+            <strong>1896</strong> - Einstein's officially renounces his German
+            citizenship.
           </li>
-          <br /><br />
           <li>
-            <strong>1900</strong><br />Einstein receives his diploma as a
+            <strong>1900</strong> - Einstein receives his diploma as a
             mathematics teacher and starts work on his doctoral thesis.
           </li>
-          <br /><br />
           <li>
-            <strong>1901</strong><br />Einstein officially becomes a Swiss
-            citizen.
+            <strong>1901</strong> - Einstein officially becomes a Swiss citizen.
           </li>
-          <br /><br />
           <li>
-            <strong>1902</strong><br />Lieserl, Einstein and Mileva Maric's
+            <strong>1902</strong> - Lieserl, Einstein and Mileva Maric's
             illegitimate daughter, is born in Hungary.
           </li>
-          <br /><br />
           <li>
-            <strong>1903</strong><br />Einstein forms the Olympia Academy with
-            his friends Maurice Solovine and Conrad Habicht.
+            <strong>1903</strong> - Einstein forms the Olympia Academy with his
+            friends Maurice Solovine and Conrad Habicht.
           </li>
-          <br /><br />
           <li>
-            <strong>1905</strong><br />Einstein completes his paper on quantum
+            <strong>1905</strong> - Einstein completes his paper on quantum
             theory.
           </li>
-          <br /><br />
           <li>
-            <strong>1910</strong><br />Eduard, the Einsteins' second son, is
-            born in Zurich.
+            <strong>1910</strong> - Eduard, the Einsteins' second son, is born
+            in Zurich.
           </li>
-          <br /><br />
           <li>
-            <strong>1912</strong><br />Einstein is appointed professor of
+            <strong>1912</strong> - Einstein is appointed professor of
             theoretical physics at the Zurich Polytechnic.
           </li>
-          <br /><br />
           <li>
-            <strong>1914</strong><br />Einstein signs a "Manifesto to the
+            <strong>1914</strong> - Einstein signs a "Manifesto to the
             Europeans" advocating his pacifist and internationalist ideals. He
             also completes his formulation of the general theory of relativity.
           </li>
-          <br /><br />
           <li>
-            <strong>1917</strong><br />The Kaiser Wilhelm Institute for Physics
+            <strong>1917</strong> - The Kaiser Wilhelm Institute for Physics
             begins operating under Einstein's management.
           </li>
-          <br /><br />
+          <li><strong>1919</strong> - Einstein and Mileva obtain a divorce.</li>
           <li>
-            <strong>1919</strong><br />Einstein and Mileva obtain a divorce.
-          </li>
-          <br /><br />
-          <li>
-            <strong>1921</strong><br />Einstein visits the U.S. for the first
-            time on a fund- raising tour for the establishment of the Hebrew
+            <strong>1921</strong> - Einstein visits the U.S. for the first time
+            on a fund- raising tour for the establishment of the Hebrew
             University in Jerusalem.
           </li>
-          <br /><br />
           <li>
-            <strong>1927</strong><br />Einstein begins debating with Bohr about
-            the new quantum mechanics at the Solvay Conference in Brussels.
+            <strong>1927</strong> - Einstein begins debating with Bohr about the
+            new quantum mechanics at the Solvay Conference in Brussels.
           </li>
-          <br /><br />
           <li>
-            <strong>1933</strong><br />Einstein moves to the United States with
-            his wife and his secretary Helen Dukas.
+            <strong>1933</strong> - Einstein moves to the United States with his
+            wife and his secretary Helen Dukas.
           </li>
-          <br /><br />
           <li>
-            <strong>1939</strong><br />Einstein signs a letter to President
+            <strong>1939</strong> - Einstein signs a letter to President
             Franklin D. Roosevelt urging the acceleration of atomic bomb
             development.
           </li>
-          <br /><br />
-          <li>
-            <strong>1940</strong><br />Einstein becomes an American citizen.
-          </li>
-          <br /><br />
+          <li><strong>1940</strong> - Einstein becomes an American citizen.</li>
           <li>
-            <strong>1955</strong><br />Einstein dies in New Jersey. His body is
+            <strong>1955</strong> - Einstein dies in New Jersey. His body is
             cremated and his papers turned over to the Hebrew University in
             Jerusalem.
           </li>
-          <br /><br />
         </ul>
       </section>
       <section class="more">
@@ -214,9 +184,9 @@ <h3>
           >.
         </h3>
       </section>
-      <a class="back-to-top" href="#main">
-        <button>Back to Top</button>
-      </a>
+      <div class="button">
+        <a class="back-to-top-link" href="#main">Back to Top</a>
+      </div>
     </main>
     <!-- <script src="https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js"></script> -->
   </body>