diff --git a/_layouts/bib.liquid b/_layouts/bib.liquid
index 094b7789..5f3f233f 100644
--- a/_layouts/bib.liquid
+++ b/_layouts/bib.liquid
@@ -200,13 +200,13 @@
     <!-- Links/Buttons -->
     <div class="links">
       {% if entry.abstract %}
-        <a class="abstract btn btn-sm z-depth-0" role="button">Abs</a>
+        <a class="abstract btn btn-sm z-depth-0" role="button" aria-expanded="false">Abs</a>
       {% endif %}
       {% if entry.arxiv %}
         <a href="http://arxiv.org/abs/{{ entry.arxiv }}" class="btn btn-sm z-depth-0" role="button">arXiv</a>
       {% endif %}
       {% if entry.bibtex_show %}
-        <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a>
+        <a class="bibtex btn btn-sm z-depth-0" role="button" aria-expanded="false">Bib</a>
       {% endif %}
       {% if entry.html %}
         {% if entry.html contains '://' %}
diff --git a/assets/css/main.scss b/assets/css/main.scss
index db9555df..ce7593b8 100644
--- a/assets/css/main.scss
+++ b/assets/css/main.scss
@@ -1192,6 +1192,31 @@ body.layout-about .homepage-victoria .homepage-publications-list .links button.a
   color: var(--award-interactive-text) !important;
 }
 
+// Touch browsers can keep :hover after a tap. Restore each collapsed control's
+// own base palette without changing its desktop or expanded colors.
+@media (hover: none) {
+  body.layout-about .homepage-victoria .homepage-publications-list .links a.abstract.btn:hover[aria-expanded="false"],
+  body.layout-about .homepage-victoria .homepage-publications-list .links a.bibtex.btn:hover[aria-expanded="false"] {
+    border-color: #d9d4cc;
+    background: #ffffff;
+    color: var(--homepage-accent) !important;
+  }
+
+  .victoria-publications-page .links a.abstract.btn:hover[aria-expanded="false"],
+  .victoria-publications-page .links a.bibtex.btn:hover[aria-expanded="false"] {
+    border-color: #d9d4cc;
+    background: #ffffff;
+    color: var(--victoria-accent) !important;
+  }
+
+  body.layout-about .homepage-victoria .homepage-publications-list .links button.award.btn:hover[aria-expanded="false"],
+  .victoria-publications-page .links button.award.btn:hover[aria-expanded="false"] {
+    border-color: var(--award-bg);
+    background: var(--award-bg);
+    color: var(--award-text) !important;
+  }
+}
+
 body.layout-about .homepage-victoria .homepage-publications-list .links button.award.btn:focus,
 .victoria-publications-page .links button.award.btn:focus {
   outline: 0;
diff --git a/assets/js/common.js b/assets/js/common.js
index b4369834..9e3eef45 100644
--- a/assets/js/common.js
+++ b/assets/js/common.js
@@ -5,24 +5,39 @@ $(document).ready(function () {
     $entry.find("button.award[aria-expanded='true']").attr("aria-expanded", "false");
   }
 
+  function closeAbstract($entry) {
+    $entry.find(".abstract.hidden.open").removeClass("open");
+    $entry.find("a.abstract[aria-expanded='true']").attr("aria-expanded", "false");
+  }
+
+  function closeBibtex($entry) {
+    $entry.find(".bibtex.hidden.open").removeClass("open");
+    $entry.find("a.bibtex[aria-expanded='true']").attr("aria-expanded", "false");
+  }
+
   $("a.abstract").click(function () {
     const $entry = $(this).parent().parent();
-    $entry.find(".abstract.hidden").toggleClass("open");
+    const willOpen = !$entry.find(".abstract.hidden").hasClass("open");
+    $entry.find(".abstract.hidden").toggleClass("open", willOpen);
+    $(this).attr("aria-expanded", willOpen ? "true" : "false");
     closeAward($entry);
-    $entry.find(".bibtex.hidden.open").removeClass("open");
+    closeBibtex($entry);
   });
   $("button.award").click(function () {
     const $entry = $(this).parent().parent();
     const willOpen = !$entry.find(".award.hidden").hasClass("open");
-    $entry.find(".abstract.hidden.open, .bibtex.hidden.open").removeClass("open");
+    closeAbstract($entry);
+    closeBibtex($entry);
     $entry.find(".award.hidden").toggleClass("open", willOpen);
     $(this).attr("aria-expanded", willOpen ? "true" : "false");
   });
   $("a.bibtex").click(function () {
     const $entry = $(this).parent().parent();
-    $entry.find(".abstract.hidden.open").removeClass("open");
+    const willOpen = !$entry.find(".bibtex.hidden").hasClass("open");
+    closeAbstract($entry);
     closeAward($entry);
-    $entry.find(".bibtex.hidden").toggleClass("open");
+    $entry.find(".bibtex.hidden").toggleClass("open", willOpen);
+    $(this).attr("aria-expanded", willOpen ? "true" : "false");
   });
   $("a").removeClass("waves-effect waves-light");