diff --git a/README.md b/README.md
index 8bdae37..acdf54c 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
[][PFA]
-[][Twitter]
+[][Bluesky]
[][Mastodon]
[PFA]: https://secuso.org/pfa
[Mastodon]: https://xn--baw-joa.social/@SECUSO_Research
-[Twitter]: https://twitter.com/SECUSOResearch
+[Bluesky]: https://bsky.app/profile/secusoresearch.bsky.social
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diff --git a/app/src/main/res/drawable/secuso_logo_white.xml b/app/src/main/res/drawable/secuso_logo_white.xml
new file mode 100644
index 0000000..41d391a
--- /dev/null
+++ b/app/src/main/res/drawable/secuso_logo_white.xml
@@ -0,0 +1,256 @@
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diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index df87f10..a575210 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -116,7 +116,7 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
- android:src="@drawable/secuso_logo_gruen" />
+ android:src="?attr/secusoLogoDrawable" />
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diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 483ff70..02fdf03 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -2,6 +2,7 @@