diff --git a/dockerfiles/mesos-master/lab41/spark-mesos-base/Dockerfile b/dockerfiles/mesos-master/lab41/spark-mesos-base/Dockerfile
index 5b6d203..ad3009e 100644
--- a/dockerfiles/mesos-master/lab41/spark-mesos-base/Dockerfile
+++ b/dockerfiles/mesos-master/lab41/spark-mesos-base/Dockerfile
@@ -52,6 +52,7 @@ ADD config/bootstrap/bootstrap.sh /bootstrap.sh
 # setup notebook configuration
 ADD config/jupyter/jupyter-start.sh /jupyter-start.sh
 ADD config/jupyter/jupyter_notebook_config.py /jupyter_notebook_config.py
+RUN chmod a+x /jupyter-start.sh
 
 # expose the IPython notebook port
 EXPOSE 8888
diff --git a/runtime/ipython/profile_default/static/base/images/logo-color.png b/runtime/ipython/profile_default/static/base/images/logo-color.png
new file mode 100644
index 0000000..0b57d09
Binary files /dev/null and b/runtime/ipython/profile_default/static/base/images/logo-color.png differ
diff --git a/runtime/ipython/profile_default/static/base/images/ipynblogo.png b/runtime/ipython/profile_default/static/base/images/logo-monochrome.png
similarity index 100%
rename from runtime/ipython/profile_default/static/base/images/ipynblogo.png
rename to runtime/ipython/profile_default/static/base/images/logo-monochrome.png
diff --git a/runtime/ipython/profile_default/static/base/images/logo.png b/runtime/ipython/profile_default/static/base/images/logo.png
deleted file mode 100644
index 41a779e..0000000
Binary files a/runtime/ipython/profile_default/static/base/images/logo.png and /dev/null differ
diff --git a/runtime/ipython/profile_default/static/custom/custom.css b/runtime/ipython/profile_default/static/custom/custom.css
index 083aaf5..a821b6d 100644
--- a/runtime/ipython/profile_default/static/custom/custom.css
+++ b/runtime/ipython/profile_default/static/custom/custom.css
@@ -136,3 +136,7 @@ div.output_stderr pre {color: #e5ebf1;}
 .cm-s-ipython span.cm-link {color: #bf568b;}
 
 .cm-s-ipython .CodeMirror-matchingbracket { text-decoration: underline; color: #e5ebf1 !important;}
+
+.modal-content {
+  background: #0E3A42;
+}