Centre sponsor images in news items

[bbrcknl]

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The HTML5 validator found some issues!

Error: Duplicate ID "center-imgs".
From line 181, column 1; to line 181, column 22 in resource file:_site/news/2024.html
Error: Duplicate ID "center-imgs".
From line 212, column 1; to line 212, column 22 in resource file:_site/news/2024.html
Error: Duplicate ID "center-imgs".
From line 423, column 1; to line 423, column 22 in resource file:_site/news/2024.html
Error: Duplicate ID "center-imgs".
From line 462, column 1; to line 462, column 22 in resource file:_site/news/2024.html
Error: Duplicate ID "center-imgs".
From line 180, column 1; to line 180, column 22 in resource file:_site/news/index.html
Error: Duplicate ID "center-imgs".
From line 211, column 1; to line 211, column 22 in resource file:_site/news/index.html
Error: Duplicate ID "center-imgs".
From line 422, column 1; to line 422, column 22 in resource file:_site/news/index.html
Error: Duplicate ID "center-imgs".
From line 461, column 1; to line 461, column 22 in resource file:_site/news/index.html
Document checking completed.