justify -content. 主軸的對齊方式，共有6 種選項. flex-start; flex-end; center; space-between; space-around ... ... <看更多>

You'd need to separate the rows and treat the second as a flex. Remove the col-auto from both the elements. Enclose in a d-flex accompanied ... ... <看更多>

Bootstrap justify-content-center. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

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