diff --git a/works/index.html b/works/index.html
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--- a/works/index.html
+++ b/works/index.html
@@ -113,27 +113,32 @@
         <h3 style="margin-top: 5vh;">Talks</h3>
 
         <div class="list" >
-          <a style="text-decoration: none;" target="_blank" rel="noopener noreferrer" href="https://forge.techtransthai.org/techtransthai/openlkb-slides/raw/branch/main/Improving%20accessibility%20data%20on%20OpenStreetMap.pdf" >
-            <div class="row" style="margin-left: 0.5cm; ">
-              <div class="propertyrow">
-                <p class="row-title">Improving accessibility data on OpenStreetMap</p>
-                <p class="row-subtitle">Bangkok Open Source Hackathon, 2023</p>
-              </div>
-              <svg class="feather feather-external-link" viewBox="0 0 24 24" fill="none" height="20" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" x2="21" y1="14" y2="3"></line></svg>
+          
+          <div class="row" style="margin-left: 0.5cm; ">
+            <div class="propertyrow">
+              <p class="row-title">Improving accessibility data on OpenStreetMap</p>
+              <p class="row-subtitle">Bangkok Open Source Hackathon, 2023</p>
             </div>
-          </a>
+            <a class="button stealth" style="width: 1.2cm;" target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/watch?v=Omrpksg3NH0">
+              <svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 0 16 16" width="20px"><path d="m 4 4.070312 v 7.859376 c 0 1.070312 0.90625 1.066406 0.90625 1.066406 h 0.09375 c 0.171875 0 0.347656 -0.039063 0.5 -0.125 l 7 -4 c 0.308594 -0.171875 0.46875 -0.523438 0.46875 -0.875 c 0 -0.351563 -0.160156 -0.703125 -0.46875 -0.875 l -7 -4 c -0.152344 -0.085938 -0.328125 -0.125 -0.5 -0.125 h -0.09375 s -0.90625 0 -0.90625 1.074218 z m 0 0" fill="currentColor"/></svg>
+            </a>
+            <a class="button stealth" style="width: 1.2cm;" target="_blank" rel="noopener noreferrer" href="https://forge.techtransthai.org/techtransthai/openlkb-slides/raw/branch/main/Improving%20accessibility%20data%20on%20OpenStreetMap.pdf">
+              <svg height="20px" viewBox="0 0 16 16" width="20px" xmlns="http://www.w3.org/2000/svg"><path d="m 1.082031 1.988281 c -0.554687 0 -0.9999998 0.445313 -0.9999998 1 c 0.0039063 0.507813 0.3945308 0.933594 0.9062498 0.984375 l 0.011719 8.027344 h 6 l -0.011719 1.742188 l -1.804687 1.378906 c -0.222656 0.167968 -0.261719 0.480468 -0.09375 0.703125 c 0.167968 0.21875 0.480468 0.257812 0.703125 0.089843 l 1.6875 -1.292968 l 1.695312 1.324218 c 0.21875 0.167969 0.535157 0.128907 0.707031 -0.085937 c 0.167969 -0.21875 0.128907 -0.535156 -0.089843 -0.703125 l -1.804688 -1.414062 l 0.011719 -1.742188 h 6 l -0.011719 -8.054688 c 0.425781 -0.125 0.722657 -0.515624 0.722657 -0.957031 c 0 -0.554687 -0.449219 -1 -1 -1 z m 6.90625 2 c 1.101563 0 2 0.894531 2 2 h -2 z m -1 1 v 2 h 2 c 0 1.101563 -0.898437 2 -2 2 c -1.105469 0 -2 -0.898437 -2 -2 c 0 -1.105469 0.894531 -2 2 -2 z m 0 0" fill="currentColor"/></svg>
+            </a>
+          </div>
+          
         <div class="separator"></div>
-          <a style="text-decoration: none;" target="_blank" rel="noopener noreferrer" href="https://eventyay.com/e/4c0e0c27/session/9520">
-            <div class="row" style="margin-left: 0.5cm; ">
-              <div class="propertyrow">
-                <p class="row-title">Indoor Mapping Using OsmInEdit and indoor=</p>
-                <p class="row-subtitle">FOSSASIA Summit, 2025</p>
-              </div>
-              <svg class="feather feather-external-link" viewBox="0 0 24 24" fill="none" height="20" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" x2="21" y1="14" y2="3"></line></svg>
+          <div class="row" style="margin-left: 0.5cm; ">
+            <div class="propertyrow">
+              <p class="row-title">Indoor Mapping Using OsmInEdit and indoor=</p>
+              <p class="row-subtitle">FOSSASIA Summit, 2025</p>
             </div>
-          </a>
+            <a></a>
+            <a class="button stealth" style="width: 1.2cm;" target="_blank" rel="noopener noreferrer" href="https://eventyay.com/e/4c0e0c27/session/9520">
+              <svg height="20px" viewBox="0 0 16 16" width="20px" xmlns="http://www.w3.org/2000/svg"><path d="m 1.082031 1.988281 c -0.554687 0 -0.9999998 0.445313 -0.9999998 1 c 0.0039063 0.507813 0.3945308 0.933594 0.9062498 0.984375 l 0.011719 8.027344 h 6 l -0.011719 1.742188 l -1.804687 1.378906 c -0.222656 0.167968 -0.261719 0.480468 -0.09375 0.703125 c 0.167968 0.21875 0.480468 0.257812 0.703125 0.089843 l 1.6875 -1.292968 l 1.695312 1.324218 c 0.21875 0.167969 0.535157 0.128907 0.707031 -0.085937 c 0.167969 -0.21875 0.128907 -0.535156 -0.089843 -0.703125 l -1.804688 -1.414062 l 0.011719 -1.742188 h 6 l -0.011719 -8.054688 c 0.425781 -0.125 0.722657 -0.515624 0.722657 -0.957031 c 0 -0.554687 -0.449219 -1 -1 -1 z m 6.90625 2 c 1.101563 0 2 0.894531 2 2 h -2 z m -1 1 v 2 h 2 c 0 1.101563 -0.898437 2 -2 2 c -1.105469 0 -2 -0.898437 -2 -2 c 0 -1.105469 0.894531 -2 2 -2 z m 0 0" fill="currentColor"/></svg>
+            </a>
+          </div>
         </div>
-
       </div>
     </div>