diff --git a/static_src/scss/index.scss b/static_src/scss/index.scss
index 3846320..7293e78 100644
--- a/static_src/scss/index.scss
+++ b/static_src/scss/index.scss
@@ -89,4 +89,4 @@
 
 
 // Uncomment the following only for development.
-//@import 'debug';
+@import 'debug';
diff --git a/templates/_layout.html b/templates/_layout.html
index 564f8ea..d534af0 100644
--- a/templates/_layout.html
+++ b/templates/_layout.html
@@ -7,7 +7,7 @@
 
     {% block top %}
         <div class="PC-header text-white pt-3 pb-4">
-            <div class="container">
+            <div class="container-xs">
 
                 {% include '_menu_top.html' %}
 
@@ -44,7 +44,7 @@ <h1 class="mt-0 mb-3">
     </main>
 
     <footer class="bg-black text-light">
-        <div class="container px-2 pt-5 pb-3">
+        <div class="container-xs px-2 pt-5 pb-3">
 
             <div class="row no-gutters align-items-baseline">
 
diff --git a/templates/pages/cfp.html b/templates/pages/cfp.html
index c55d12d..c476934 100644
--- a/templates/pages/cfp.html
+++ b/templates/pages/cfp.html
@@ -10,7 +10,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <h1>Call for Proposals</h1>
         <div class="row {% if cfp == 'open' %}align-items-end{% endif %}">
             <div class="col-md-9 col-lg-7 col-xl-6">
diff --git a/templates/pages/cfp_guide.html b/templates/pages/cfp_guide.html
index c09e660..f69f03e 100644
--- a/templates/pages/cfp_guide.html
+++ b/templates/pages/cfp_guide.html
@@ -10,7 +10,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <p><a href="{% url 'cfp_pruvodce' %}">přepnout na českou verzi</a></p>
         <h1>
             Call for Proposals:
diff --git a/templates/pages/cfp_pruvodce.html b/templates/pages/cfp_pruvodce.html
index 0d5eb98..ab909d6 100644
--- a/templates/pages/cfp_pruvodce.html
+++ b/templates/pages/cfp_pruvodce.html
@@ -10,7 +10,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <p><a href="{% url 'cfp_guide' %}">switch to english version</a></p>
         <h1>Jak úspěšně přihlásit příspěvek na PyCon CZ 23</h1>
         <div class="row">
diff --git a/templates/pages/coc.html b/templates/pages/coc.html
index 261102e..694947a 100644
--- a/templates/pages/coc.html
+++ b/templates/pages/coc.html
@@ -6,7 +6,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <h1>Code of Conduct</h1>
         <div class="row">
             <div class="col-md-8">
diff --git a/templates/pages/financial-aid-grantees.html b/templates/pages/financial-aid-grantees.html
index 300f4f1..7ca56e3 100644
--- a/templates/pages/financial-aid-grantees.html
+++ b/templates/pages/financial-aid-grantees.html
@@ -7,7 +7,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <h1>Financial Aid — Information for Grantees</h1>
         <div class="row">
             <div class="col-md-7">
diff --git a/templates/pages/financial-aid.html b/templates/pages/financial-aid.html
index 89b60fe..77dee73 100644
--- a/templates/pages/financial-aid.html
+++ b/templates/pages/financial-aid.html
@@ -7,7 +7,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
     <h1>Financial Aid</h1>
     <div class="row">
         <div class="col-md-7">
diff --git a/templates/pages/homepage.html b/templates/pages/homepage.html
index ccb06d6..9cb32e4 100644
--- a/templates/pages/homepage.html
+++ b/templates/pages/homepage.html
@@ -135,7 +135,7 @@ <h2 class="mt-0">Sponsorship</h2>
     {% include 'pages/__keynoters.html' %}
 
     <div class="pt-4 pb-3 bg-dark text-white">
-        <div class="container">
+        <div class="container-xs">
             <h2 class="mt-0">Organized by community for community</h2>
             <div class="row align-items-end">
                 <div class="col-md-8 col-lg-6">
diff --git a/templates/pages/pattern_lib.html b/templates/pages/pattern_lib.html
index 615ebd8..ec19207 100644
--- a/templates/pages/pattern_lib.html
+++ b/templates/pages/pattern_lib.html
@@ -6,7 +6,7 @@
 
 
 {% block body %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <div class="row">
             <div class="col">
                 <h1>h1. Pyttern Library
diff --git a/templates/pages/privacy_policy.html b/templates/pages/privacy_policy.html
index f5c2f7f..f3227bc 100644
--- a/templates/pages/privacy_policy.html
+++ b/templates/pages/privacy_policy.html
@@ -5,7 +5,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
 
         <h1>Privacy Policy</h1>
 
diff --git a/templates/pages/sponsorship.html b/templates/pages/sponsorship.html
index a01319f..8381480 100644
--- a/templates/pages/sponsorship.html
+++ b/templates/pages/sponsorship.html
@@ -10,7 +10,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
         <h1>Sponsorship</h1>
         <div class="row align-items-end">
             <div class="col-md-8 col-lg-7">
diff --git a/templates/pages/tickets.html b/templates/pages/tickets.html
index 6c1cada..f81d9b7 100644
--- a/templates/pages/tickets.html
+++ b/templates/pages/tickets.html
@@ -11,7 +11,7 @@
 
 
 {% block main %}
-    <div class="container pt-4 pb-3 mt-3">
+    <div class="container-xs pt-4 pb-3 mt-3">
 
         <div class="text-center">
 
@@ -89,7 +89,7 @@ <h2 class="h4 mt-0">Childcare</h2>
     </div>
 
     <section class="PC-bg-blurry py-5 py-md-6 mb-3">
-        <div class="container">
+        <div class="container-xs">
             <div class="row g-4 row-cols-1 row-cols-sm-2  row-cols-lg-4">
 
                 <div class="col">
@@ -205,7 +205,7 @@ <h2 class="h3 mt-0">VIP</h2>
         </div>
     </section>
 
-    <div class="container text-center mb-5 py-md-4">
+    <div class="container-xs text-center mb-5 py-md-4">
         <h2 class="mb-4">Financial Aid</h2>
         <div class="row justify-content-center">
             <div class="col-md-6">
diff --git a/templates/pages/venue.html b/templates/pages/venue.html
index 2d9175c..0cc82a5 100644
--- a/templates/pages/venue.html
+++ b/templates/pages/venue.html
@@ -7,7 +7,7 @@
 
 
 {% block main %}
-    <div class="container py-4 mt-3">
+    <div class="container-xs py-4 mt-3">
         <div class="row">
             <div class="col-md-9 col-lg-7 col-xl-6">
                 <h1>Conference venues</h1>