diff --git a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages.php b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages.php
index 2ce573b7..55f29d51 100644
--- a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages.php
+++ b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages.php
@@ -128,7 +128,7 @@ call_user_func(function() {
             'allowedAspectRatios' => [
                 'header' => [
                     'title' => 'Header Startseite',
-                    'value' => 2.0571,
+                    'value' => 1440 / 700,
                 ],
             ],
         ],
diff --git a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages_language_overlay.php b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages_language_overlay.php
index 01b46481..2aab2c1c 100644
--- a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages_language_overlay.php
+++ b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/pages_language_overlay.php
@@ -111,7 +111,7 @@ call_user_func(function() {
             'allowedAspectRatios' => [
                 'header' => [
                     'title' => 'Header Startseite',
-                    'value' => 2.0571,
+                    'value' => 1440 / 700,
                 ],
             ],
         ],
diff --git a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/tt_content_element_herounit.php b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/tt_content_element_herounit.php
index 9afe4db8..d328a36f 100644
--- a/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/tt_content_element_herounit.php
+++ b/public/typo3conf/ext/ep_events/Configuration/TCA/Overrides/tt_content_element_herounit.php
@@ -68,11 +68,11 @@ call_user_func(function() {
                                             'allowedAspectRatios' => [
                                                 'headerDefault' => [
                                                     'title' => 'Header standard',
-                                                    'value' => 2.63333333333333,
+                                                    'value' => 1440 / 420,
                                                 ],
                                                 'headerLarge' => [
                                                     'title' => 'Header groß',
-                                                    'value' => 2.0571,
+                                                    'value' => 1440 / 700,
                                                 ],
                                             ],
                                         ],
diff --git a/public/typo3conf/ext/ep_events/Configuration/TCA/tx_epevents_domain_model_offer.php b/public/typo3conf/ext/ep_events/Configuration/TCA/tx_epevents_domain_model_offer.php
index ff86b884..7c4612e6 100644
--- a/public/typo3conf/ext/ep_events/Configuration/TCA/tx_epevents_domain_model_offer.php
+++ b/public/typo3conf/ext/ep_events/Configuration/TCA/tx_epevents_domain_model_offer.php
@@ -285,7 +285,7 @@ return [
                                             'allowedAspectRatios' => [
                                                 'teaser' => [
                                                     'title' => 'Teaser',
-                                                    'value' => 1.7857,
+                                                    'value' => 450 / 250,
                                                 ],
                                             ],
                                         ],
@@ -325,7 +325,7 @@ return [
                                             'allowedAspectRatios' => [
                                                 'teaser' => [
                                                     'title' => 'Teaser',
-                                                    'value' => 1.7857,
+                                                    'value' => 450 / 250,
                                                 ],
                                             ],
                                         ],
@@ -365,7 +365,7 @@ return [
                                             'allowedAspectRatios' => [
                                                 'teaser' => [
                                                     'title' => 'Header',
-                                                    'value' => 2.63333333333333,
+                                                    'value' => 1440 / 700,
                                                 ],
                                             ],
                                         ],
diff --git a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitActivity.html b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitActivity.html
index 8064b8a2..f20317a6 100644
--- a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitActivity.html
+++ b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitActivity.html
@@ -4,7 +4,7 @@
     <f:spaceless>
         <f:if condition="{activity.imageHeader.uid}">
             <f:then>
-                {f:uri.image(image: activity.imageHeader, cropVariant: 'default', width: '1440', maxHeight: '700') -> v:variable.set(name: 'headerImage')}
+                {f:uri.image(image: activity.imageHeader, width: '1440') -> v:variable.set(name: 'headerImage')}
             </f:then>
             <f:else>
                 {f:uri.image(src: settings.activityDefaultHeaderImage, width: '1440') -> v:variable.set(name: 'headerImage')}
diff --git a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitCategory.html b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitCategory.html
index 468e5665..3140fd24 100644
--- a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitCategory.html
+++ b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitCategory.html
@@ -3,7 +3,7 @@
 <f:spaceless>
     <f:if condition="{traveltype.imageHeader.uid}">
         <f:then>
-            {f:uri.image(image: traveltype.imageHeader, cropVariant: 'default', width: '1440', maxHeight: '700') -> v:variable.set(name: 'headerImage')}
+            {f:uri.image(image: traveltype.imageHeader, width: '1440') -> v:variable.set(name: 'headerImage')}
         </f:then>
         <f:else>
             {v:variable.set(name: 'headerImage', value: 'https://placehold.it/1440x700')}
diff --git a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitFrontpage.html b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitFrontpage.html
index 42204768..6fb3a5de 100644
--- a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitFrontpage.html
+++ b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitFrontpage.html
@@ -34,7 +34,7 @@
                        style="background-image: url({f:uri.image(image: image, cropVariant: 'default', width: '1440', maxHeight: '700')})"></a>
                 </f:then>
                 <f:else>
-                    <div class="herounit__image" style="background-image: url({f:uri.image(image: image, cropVariant: 'default', width: '1440', maxHeight: '700')})"></div>
+                    <div class="herounit__image" style="background-image: url({f:uri.image(image: image, width: '1440')})"></div>
                 </f:else>
             </f:if>
         </f:for>
diff --git a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitOffer.html b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitOffer.html
index 47015c3b..fc74e8a2 100644
--- a/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitOffer.html
+++ b/public/typo3conf/ext/ep_events/Resources/Private/Partials/HerounitOffer.html
@@ -4,7 +4,7 @@
     <f:spaceless>
         <f:if condition="{offer.imageHeader.uid}">
             <f:then>
-                {f:uri.image(image: offer.imageHeader, cropVariant: 'default', width: '1440', maxHeight: '700') -> v:variable.set(name: 'headerImage')}
+                {f:uri.image(image: offer.imageHeader, width: '1440') -> v:variable.set(name: 'headerImage')}
             </f:then>
             <f:else>
                 {v:variable.set(name: 'headerImage', value: 'https://placehold.it/1440x700')}
diff --git a/public/typo3conf/ext/ep_events/Resources/Private/Templates/FluidStyledContent/Herounit.html b/public/typo3conf/ext/ep_events/Resources/Private/Templates/FluidStyledContent/Herounit.html
index 0f29ecca..a8534513 100644
--- a/public/typo3conf/ext/ep_events/Resources/Private/Templates/FluidStyledContent/Herounit.html
+++ b/public/typo3conf/ext/ep_events/Resources/Private/Templates/FluidStyledContent/Herounit.html
@@ -10,7 +10,7 @@
         <f:spaceless>
             <f:if condition="{image.0.uid}">
                 <f:then>
-                    {f:uri.image(image: image.0, cropVariant: 'default', width: '1440', maxHeight: '700') -> v:variable.set(name: 'headerImage')}
+                    {f:uri.image(image: image.0, width: '1440') -> v:variable.set(name: 'headerImage')}
                 </f:then>
                 <f:else>
                     {v:variable.set(name: 'headerImage', value: 'https://placehold.it/1440x700')}