diff --git a/img/svg/arrow_left.svg b/img/svg/arrow_left.svg
index a88d299..53140b0 100755
--- a/img/svg/arrow_left.svg
+++ b/img/svg/arrow_left.svg
@@ -1,4 +1 @@
-<svg fill="#FFFFFF" height="36" viewBox="0 0 24 24" width="36" xmlns="http://www.w3.org/2000/svg">
-    <path d="M15.41 16.09l-4.58-4.59 4.58-4.59L14 5.5l-6 6 6 6z"/>
-    <path d="M0-.5h24v24H0z" fill="none"/>
-</svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" fill="#FFF" viewBox="0 0 24 24"><path d="M15.41 16.09l-4.58-4.59 4.58-4.59L14 5.5l-6 6 6 6z"/><path fill="none" d="M0-.5h24v24H0z"/></svg>
\ No newline at end of file
diff --git a/img/svg/arrow_right.svg b/img/svg/arrow_right.svg
index f62d885..3e5e86c 100755
--- a/img/svg/arrow_right.svg
+++ b/img/svg/arrow_right.svg
@@ -1,4 +1 @@
-<svg fill="#FFFFFF" height="36" viewBox="0 0 24 24" width="36" xmlns="http://www.w3.org/2000/svg">
-    <path d="M8.59 16.34l4.58-4.59-4.58-4.59L10 5.75l6 6-6 6z"/>
-    <path d="M0-.25h24v24H0z" fill="none"/>
-</svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" fill="#FFF" viewBox="0 0 24 24"><path d="M8.59 16.34l4.58-4.59-4.58-4.59L10 5.75l6 6-6 6z"/><path fill="none" d="M0-.25h24v24H0z"/></svg>
\ No newline at end of file
diff --git a/projects/3-back-end/1-liri-bot-node/2.png b/projects/3-back-end/1-liri-bot-node/2.png
index f8e18bd..6e428b5 100644
Binary files a/projects/3-back-end/1-liri-bot-node/2.png and b/projects/3-back-end/1-liri-bot-node/2.png differ
diff --git a/projects/3-back-end/1-liri-bot-node/3.png b/projects/3-back-end/1-liri-bot-node/3.png
index 8afff80..f493c8f 100644
Binary files a/projects/3-back-end/1-liri-bot-node/3.png and b/projects/3-back-end/1-liri-bot-node/3.png differ