minor css and gitignore changes (again)

.gitignore

@@ -9,3 +9,4 @@ docker-compose.yaml
 # Ignore images in posts
 *.jpg
 *.png
+*.gif

app/static/style.css

@@ -158,7 +158,7 @@ a:hover {
     text-decoration: underline;
     text-decoration-style: solid;
     text-decoration-thickness: 0.25em;
-    text-underline-offset: 6px;
+    text-underline-offset: 7px;
     text-decoration-color: var(--primary);
 }