Add three new bronze sponsors (#139)

assets/css/custom.css

@@ -894,7 +894,7 @@ section.speakers .qcTabTitle .section-title {
     margin-top: 16px;
     margin-bottom: 16px;
   }
-  .sponsors-section .sponsor-level.childcare {
+  .sponsors-section .sponsor-level.supporters {
     margin-left: 1em;
   }
 }

index.html

@@ -2418,7 +2418,6 @@ <h2 class="section-title">Sponsors</h2>
 			</div>
 		</div>
     <div class="row all-sponsors">
-       <div class="row all-sponsors">
       <div class="col-xs-12">
         <div class="row sponsor-level">
           <h3 class="col-xs-12 level-title">Gold Sponsor</h3>
@@ -2443,22 +2442,30 @@ <h3 class="col-xs-12 level-title">Silver Sponsors</h3>
               <a href="https://mailchimp.com/" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/mailchimp-logo.png" alt="Conference sponsor Mailchimp logo"/></a>
               <p>Mailchimp: More than 10 million businesses around the world use MailChimp for marketing automation and email newsletters.</p>
             </div>
-
         </div>
       </div>
-      <div class="col-xs-12 col-sm-6">
-        <div class="row middle-md sponsor-level">
+      <div class="col-xs-12">
+        <div class="row middle-sm sponsor-level">
           <h3 class="col-xs-12 level-title">Bronze Sponsors</h3>
-          <div class="col-xs">
+          <div class="col-xs-6 col-sm">
             <a href="http://xogroupinc.com/" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/xogroup-logo.png" alt="Conference childcare sponsor XO logo"/></a>
           </div>
-          <div class="col-xs">
+          <div class="col-xs-6 col-sm">
             <a href="https://puppet.com/" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/puppet-logo.png" alt="Conference sponsor Puppet logo"/></a>
           </div>
+          <div class="col-xs-6 col-sm">
+            <a href="https://homedepot.com" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/home-depot-quote-center.jpg" alt="Conference sponsor home depot quote center logo"/></a>
+          </div>
+          <div class="col-xs-6 col-sm">
+            <a href="http://instrument.com" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/instrument.png" alt="Conference sponsor Instrument logo"/></a>
+          </div>
+          <div class="col-xs-6 col-sm">
+            <a href="http://teampolymathic.com/" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/google-women-techmakers.jpg" alt="Conference sponsor Google women techmakers logo"/></a>
+          </div>
         </div>
       </div>
       <div class="col-xs-12 col-sm-6">
-        <div class="row middle-xs sponsor-level childcare">
+        <div class="row middle-xs sponsor-level">
           <h3 class="col-xs-12 level-title">Childcare Sponsors</h3>
           <div class="col-xs">
             <a href="http://femgineer.com/" target="_blank" rel="noopener"><img class="sponsor-logo" src="assets/img/logos/femgineer-logo.png" alt="Conference childcare sponsor Femgineer logo"/></a>
@@ -2468,19 +2475,18 @@ <h3 class="col-xs-12 level-title">Childcare Sponsors</h3>
           </div>
         </div>
       </div>
-      <div class="col-xs-12">
-        <div class="row middle-xs sponsor-level rounded-corners">
+      <div class="col-xs-12 col-sm-6">
+        <div class="row middle-xs sponsor-level supporters">
           <h3 class="col-xs-12 level-title">Supporters</h3>
-          <div class="col-xs col-sm-3">
-            <a href="https://symphonia.io" target="_blank" rel="noopener"><img class="supporter-logo" src="assets/img/logos/symphonia-logo.png" style="padding-top: 16px;" alt="Conference sponsor Symphonia logo"/></a>
+          <div class="col-xs">
+            <a href="https://symphonia.io" target="_blank" rel="noopener"><img class="supporter-logo" src="assets/img/logos/symphonia-logo.jpg" alt="Conference sponsor Symphonia logo"/></a>
           </div>
           <div class="col-xs">
-            <a href="https://abookapart.com/" target="_blank" rel="noopener"><img class="supporter-logo" src="assets/img/logos/a-book-apart-logo.png" style="padding-top: 16px;" alt="Conference sponsor A Book Apart logo"/></a>
+            <a href="https://abookapart.com/" target="_blank" rel="noopener"><img class="supporter-logo" src="assets/img/logos/a-book-apart-logo.jpg" alt="Conference sponsor A Book Apart logo"/></a>
           </div>
         </div>
       </div>
     </div>
-
 	</section>