diff --git a/namsefni/14.css-flexbox/readme.md b/namsefni/14.css-flexbox/readme.md
index 605e005..2b51f34 100644
--- a/namsefni/14.css-flexbox/readme.md
+++ b/namsefni/14.css-flexbox/readme.md
@@ -17,7 +17,6 @@
 
 * [MDN: Flexbox](https://developer.mozilla.org/en-US/docs/Learn/CSS/CSS_layout/Flexbox)
 * [CSS tricks: A Complete Guide to Flexbox](https://css-tricks.com/snippets/css/a-guide-to-flexbox/)
-* [Flexbox Defense](http://www.flexboxdefense.com/)
 * [Flexbox Froggy](http://flexboxfroggy.com/)
 
 ## Ítarefni
diff --git a/vikur/vika-04.md b/vikur/vika-04.md
index 488e26a..76123fc 100644
--- a/vikur/vika-04.md
+++ b/vikur/vika-04.md
@@ -2,7 +2,8 @@
 
 ## Fyrirlestrar
 
-Koma eftir fyrirlestur 9. september.
+- [Fyrirlestur 4.1: CSS, Selectors, Flexbox og allskonar (43:56)](https://youtu.be/phCb3aUVSuI)
+- [Fyrirlestur 4.2: Meira um verkefni 2 (42:01)](https://youtu.be/zlNg9ZTq1wI)
 
 [Dæmi úr fyrirlestri](https://github.com/vefforritun/vef1-2024-fyrirlestra-daemi/tree/main/f04).