Accessibility changes + new TAs + Video references for Cern

src/components/technologyCard.astro

@@ -9,6 +9,7 @@ export interface Props {
 }
 
 const { imageFile, link, title } = Astro.props
+const logoAltText = `${title} Logo`
 const imagePath = `/src/assets/technologies/${imageFile}`
 const images_logos = import.meta.glob<{ default: ImageMetadata }>(
   '/src/assets/technologies/*.{png,webp}'
@@ -17,11 +18,12 @@ const images_logos = import.meta.glob<{ default: ImageMetadata }>(
 
 <a href={link} target="_blank" rel="noopener noreferrer" aria-label={title}>
   <article>
-    <Image src={images_logos[imagePath]()} alt="" />
+    <Image src={images_logos[imagePath]()} alt={logoAltText} />
     <div>
       <h2>{title}</h2>
     </div>
   </article>
+  <span class="visually-hidden">{logoAltText}</span>
 </a>
 
 <style>