This magic CSS code is able to change the orientation of the printed page:

@page port {size: portrait;}
@page land {size: landscape;}
.portrait {page: port;} …

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Collapsible widgets are a popular way to create sections of content that can contract and expand. There are a ton of different implementations out there. Here, …

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Add the following css lines to your CSS theme, possibly at the end

div::before { content:" C:" attr(class) "" }

::before,::after { …

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