關於「Bootstrap column」標籤，搜尋引擎有相關的訊息討論：

Grid system - Bootstrapgetbootstrap.com › docs › layout › gridScaffolding - Bootstrap, from Twittergetbootstrap.com › scaffoldingHow can I add a line between two columns using Twitter Bootstraps ...stackoverflow.com › questions › how-can-i-add-a-line-bet...Grid system · Bootstr