fix(partners): footnote/backlink style

src/partners.html

@@ -153,7 +153,7 @@ <h3 class="text-white d-block mb-3 mb-md-0">By 2035, all new cars & light trucks
           <div class="col-12 col-md-12 col-lg-6">
             <div class="background-purple-4 py-4 py-md-5 my-md-2 px-3 text-center clipped-stat-start">
               <h2 class="fs-stats text-white pt-4 pt-md-3">89%</h1>
-              <h3 class="text-white d-block mb-3 mb-md-0">of main industry players use contactless payment cards<sup>1</sup></h3>
+              <h3 class="text-white d-block mb-3 mb-md-0">of main industry players use contactless payment cards<sup id="fnref:1" role="doc-noteref"><a class="text-decoration-nonte" href="#fn:1" rel="footnote">1</a></sup></h3>
             </div>
           </div>
         </div>
@@ -176,16 +176,18 @@ <h3 class="text-white d-block mb-3 mb-md-0">of main industry players use contact
             >2023 Accomplishments Report</a
           >.
         </p>
-        <small class="text-body-tertiary"
-        >1. Reported in CARB’s
-        <a
-          target="_blank"
-          class="small link-body-emphasis fs-7 fw-normal"
-          href="https://ww2.arb.ca.gov/sites/default/files/2024-06/CARB%20cEMV%20Penetration%20Report%20ADAReview_1.pdf"
-          >contactless EMV</a
-        >
-        report.
-      </small>
+        <div role="doc-endnotes">
+          <ol class="small text-body-tertiary ps-2">
+            <li id="fn:1" role="doc-endnote" class="small text-body-tertiary">
+              <small class="text-body-tertiary">Reported in CARB’s <a
+              target="_blank"
+              class="small link-body-emphasis fs-7 fw-normal"
+              href="https://ww2.arb.ca.gov/sites/default/files/2024-06/CARB%20cEMV%20Penetration%20Report%20ADAReview_1.pdf"
+              >contactless EMV</a> report.</small>
+              <a href="#fnref:1" class="reversefootnote" role="doc-backlink">↩</a>
+            </li>
+          </ol>
+        </div>
       </section>
 
       <hr class="py-2 my-4" />