diff --git a/portal/index.md b/portal/index.md
index b9a09d9c..bc670bb9 100644
--- a/portal/index.md
+++ b/portal/index.md
@@ -35,7 +35,6 @@ _community-owned_, _geoscience-focused_, and _high-quality_.
     </a>
 </span>
 
-
 ## Start Learning
 
 Project Pythia has several resources for you to use to start learning how to use Python
@@ -202,9 +201,9 @@ and [Outreach Meetings](https://docs.google.com/document/d/e/2PACX-1vQBAt5B24wig
 
 ### Meeting & Event Calendar
 
-<div class="iframe-4x3">
-    <iframe src="https://calendar.google.com/calendar/embed?src=c_4qpvf316afd9mv0ci7d2uiafog%40group.calendar.google.com" frameborder="0" scrolling="no"></iframe>
-</div>
+:::{iframe} https://calendar.google.com/calendar/embed?src=c_4qpvf316afd9mv0ci7d2uiafog%40group.calendar.google.com
+:::
+
 
 ## How to Cite
 
@@ -212,11 +211,10 @@ The material in Project Pythia is licensed for free and open consumption and reu
 
 To cite this project, please site our [NSF GEO OSE proposal](https://zenodo.org/record/8184298). Individual components of the project may be cited separately.
 
-> Rose, Brian E. J., Clyne, John, May, Ryan, Munroe, James, Snyder, Amelia, Eroglu, Orhan, & Tyle, Kevin. (2023). Collaborative Research: GEO OSE TRACK 2: Project Pythia and            Pangeo: Building an inclusive geoscience community through accessible, reusable, and reproducible workflows. Zenodo. https://doi.org/10.5281/zenodo.8184298
+> Rose, Brian E. J., Clyne, John, May, Ryan, Munroe, James, Snyder, Amelia, Eroglu, Orhan, & Tyle, Kevin. (2023). Collaborative Research: GEO OSE TRACK 2: Project Pythia and Pangeo: Building an inclusive geoscience community through accessible, reusable, and reproducible workflows. Zenodo. https://doi.org/10.5281/zenodo.8184298
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8184298.svg)](https://doi.org/10.5281/zenodo.8184298)
 
-
 ```{toctree}
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