In your browser, turn on developer controls (F12 in IE, Firebug extension in Firefox)

In the developer controls toolbar, click the arrow, then click the control you want to examine. You'll be able to look at all the CSS that's being applied to it.

>I am trying to understand the style applied in the bootstrap.css to the "input" element when it is within div of class "controls". When I remove (or change) this class name in my HTML code, the way Input behaves differs (mainly how it is positioned). If I could see the style in the bootstrap.css it would help me, I think. Do I understand correctly that I need to look for this class as
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>.controls {
>{
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>Because there are many classes that start with word "controls" but some of them are "controls-row:before", "controls-row:after" and so on.
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>I would appreciate any help.