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I recently started using Twitter Bootstrap and I can't seem to grasp what spans do and why are there different numbered spans, like span4, span12? And what are offsets and when are they used? (Sometimes used with spans) I tried to search it online, but only found specific questions about bootstraps.
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Bootstrap's grid system allows up to 12 columns across the page. If you do not want to use all 12 columns individually, you can group the columns together to create wider columns: span 1.
Introduction: In Bootstrap v5, Badges are simple and basic components that are used to display an indicator or count a number. This is quite useful for mail count and alerting purposes, among other things. Badges are identical to labels, with the exception that they have more rounded corners.
Approach 1: Using Inline styling: You can simply add a style attribute to the span tag which has badge-pill as a class and change the font-size according to your wish.
The Bootstrap "span" classes are used in the bootstrap grid system.
The documentation shows columns labelled with numbers, each number represents the span class used for this container. Offset are shown right in the next section, they define how many empty columns should be to the left of the span.
You can read span4 offset2 as "extend this block over 4 columns, leave two columns empty to the left".
By default there are 12 columns. If you have a span12, it will be as wide as the container (which may be fluid).
This is relevant for v3.2.2, which is no longer supported. The up-to-date version of Bootstrap can be found here.
If you are looking for the 'span' class in Bootstrap in v4 (which refers to badges and labels instead of the grid system), this can be found here.
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