diff --git a/app/templates/about.html b/app/templates/about.html
index 746a539..4f349b6 100755
--- a/app/templates/about.html
+++ b/app/templates/about.html
@@ -47,7 +47,7 @@
                 <li>
                     <label for="bio-anushka" class="accordion-title">
                        <h3>Anushka Rajendran</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-anushka" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -58,7 +58,7 @@
                 <li>
                     <label for="bio-padma" class="accordion-title">
                        <h3>Pad.ma</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;<!-- &#9660; --></span></span>
                     </label>
                     <input type="checkbox" id="bio-padma" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -72,7 +72,7 @@
                 <li>
                     <label for="bio-annotation" class="accordion-title">
                        <h3>Annotation Collaborators</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-annotation" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -83,7 +83,7 @@
                 <li>
                     <label for="bio-acknowledgements" class="accordion-title">
                        <h3>Acknowledgements</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-acknowledgements" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -100,7 +100,7 @@
                 <li>
                     <label for="bio-anushka-zh" class="accordion-title">
                        <h3>安努舒卡．拉堅德蘭</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-anushka-zh" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -111,7 +111,7 @@
                 <li>
                     <label for="bio-padma-zh" class="accordion-title">
                        <h3>Pad.ma</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-padma-zh" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -128,7 +128,7 @@
                 <li>
                     <label for="bio-annotation" class="accordion-title">
                        <h3>影片評論共筆</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-annotation" class="accordion-checkbox">
                     <div class="accordion-content">
@@ -139,7 +139,7 @@
                 <li>
                     <label for="bio-acknowledgements-zh" class="accordion-title">
                        <h3>Acknowledgements</h3>
-                       <span class="accordion-caret animated-title"><span class="text">&#9660;</span></span>
+                       <span class="accordion-caret animated-title"><span class="text js-accordion-icon-toggle">&#x25b6;</span></span>
                     </label>
                     <input type="checkbox" id="bio-acknowledgements-zh" class="accordion-checkbox">
                     <div class="accordion-content">