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Generally speaking, Block classes are used to visually style the component and its child elements and not define any placement styles within its parent container.
Block class names should match the React component name.
Elements:
There are 3 Elements above – the two icon Elements and the span tag containing the button's text. While the icons are components and therefore are Blocks in their own right, they are also Elements from the buttons perspective, so they receive Element class names as well:
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