Add anchor and button to Donate page for less scrolling.

src/contribute/donate.html

@@ -29,7 +29,7 @@ __HEADER__
         <!-- end Header -->
 
         <!-- section 1 -->
-        <div class="section-lg">
+        <div class="section-lg" style="padding-bottom: 80px !important">
             <div class="container">
                 <div class="row align-items-center">
                     <div class="col-12 col-md-4">
@@ -45,9 +45,12 @@ __HEADER__
                         <p>We leverage third-party 501(c)(3) tax-exempt organizations to manage our finances and accept donations on our behalf. This means your donation might be tax-deductible.</p>
                         <br />
                         <p>Donations can be made in the form of money, equipment, services, and more.</p>
+                        <br />
+                        <a class="button button-lg button-radius button-dark margin-top-30" href="#where">Support Adélie</a>
                     </div>
                 </div><!-- end row -->
             </div><!-- end container -->
+            <div style="position:relative;" id="where"><!-- this magic number compensates for the header on anchor jump --></div>
         </div>
         <!-- end section 1 -->