diff --git a/src/components/AgendaSpeaker.astro b/src/components/AgendaSpeaker.astro
index 9d24fc12..391a1f63 100644
--- a/src/components/AgendaSpeaker.astro
+++ b/src/components/AgendaSpeaker.astro
@@ -20,7 +20,7 @@ const origin = env.siteUrl;
       >
         <img
           src={speaker.imageUrl}
-          class="w-14 h-14 rounded-2xl mr-4 shrink-0"
+          class="w-14 h-14 rounded-2xl mr-4 shrink-0 object-cover"
           alt={speaker.name}
         />
       </a>
diff --git a/src/components/Hero.astro b/src/components/Hero.astro
index d83f6c34..4453d520 100644
--- a/src/components/Hero.astro
+++ b/src/components/Hero.astro
@@ -39,7 +39,7 @@ const signUpUrl =
         {t("site-dates")}
       </h3>
       <a
-        class="btn btn-outline btn-primary btn-wide btn-circle mt-6"
+        class="btn btn-primary btn-wide btn-lg rounded-full mt-6"
         href={signUpUrl}
         target="_blank">{t("sign-up")}</a
       >
diff --git a/src/components/SpeakerProfile.astro b/src/components/SpeakerProfile.astro
index 0977b270..84fa1834 100644
--- a/src/components/SpeakerProfile.astro
+++ b/src/components/SpeakerProfile.astro
@@ -35,7 +35,7 @@ const { company, id, imageUrl, jobTitle, name, social, showLink } = Astro.props;
       <a href={localizeUrl(`${origin}/speaker/${id}`)}>
         <img
           src={imageUrl}
-          class="w-60 h-60 rounded-full border-4 m-auto"
+          class="w-60 h-60 rounded-full border-4 m-auto object-cover"
           alt={name}
         />
       </a>
@@ -46,7 +46,7 @@ const { company, id, imageUrl, jobTitle, name, social, showLink } = Astro.props;
     !showLink && (
       <img
         src={imageUrl}
-        class="w-60 h-60 rounded-full border-4 m-auto"
+        class="w-60 h-60 rounded-full border-4 m-auto object-cover"
         alt={name}
       />
     )