edit error again (#883)

* changing 404png

* oops image

* changing color

* somehow not get pushed

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: JimanQAQ

ocfweb/static/img/alt404waddles.png

@@ -2,15 +2,16 @@
 {% load static %}
 
 {% block content %}
+
 <div>
 <style>
     body {
-        background-color: #58C5C8;
+        background-color: #6ca2b5;
     }
 
     .ocf-content {
         padding: 0px 0px 0px 0px;
-        background-color: #58C5C8;
+        background-color: #ebeef1;
         height: 1000px;
     }
 </style>