[CSS Tweak] Add a small padding to avoid block collision

[qiyundai]

Added a small padding to avoid mobile block collision when speakers are missing

Resolves: MWPW-164922

Test URLs:

• Before: https://dev--events-milo--adobecom.hlx.page/
• After: https://jan-8-qa-fixes--events-milo--adobecom.hlx.page/

To test the feature, please load up the branch locally and run it against your local ESP and ESL server.
For more information on how to set up ESL and ESP locally, please refer to: https://wiki.corp.adobe.com/display/adobedotcom/Events+Milo+FE+Dev+Wiki#EventsMiloFEDevWiki-Localdevelopmentsetup

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
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Commits

• dca6dc9 ✅ (latest)

[aem-code-sync]

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