Fixed missing icons

[dnbute]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after), along with a short summary of changes:

Issue

Fixes #538

Changelog:

• Added background image for missing icons
• Changes some dimensions so icons don't get clipped

Test URLs:

• Original: https://www.sunstar.com/jp/sustainability/environment
• Before: https://main--sunstar--hlxsites.hlx.live/jp/sustainability/environment
• After: https://i-538--sunstar--hlxsites.hlx.live/jp/sustainability/environment
• Original: https://www.sunstar.com/jp/sustainability/editorial-policy
• Before: https://main--sunstar--hlxsites.hlx.live/jp/sustainability/editorial-policy
• After: https://i-538--sunstar--hlxsites.hlx.live/jp/sustainability/editorial-policy

Library

• [ ] New Blocks introduced in this PR If yes, please provide details below Block Name : For e.g. cards

• [ ] Documented in sidekick library

• [ ] New variations introduced in this PR Variation Name : For e.g. cards (grid)

• [ ] Documented in sidekick library

• [ ] New mixins introduced in this PR Mixin Name : For e.g. compact, white

• [ ] Documented in sidekick library

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/jp/sustainability/editorial-policy
/jp/sustainability/environment

[dnbute]

@ehrro should be better now 👍