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10 Library LIB skins

The library is loaded by a package option or inside the preamble by:

\tcbuselibrary{skins}

This also loads the package tikz [20]. Typically but not necessarily, the following skins use

tikzinstead ofpgf.

10.1 Style Option Keys

The following style options are applicable for all skins which use engines of typepath,pathfirst,pathmiddle, or pathlast. Especially, the skin enhancedP. 195 supports all of them and

standardP. 193 none.

/tcb/frame style=tikz keys (style, no default)Thetikz keysare used inside the tikzpath command for drawing the frameof the box.This option is available if the /tcb/frame engineP. 126 is set to path, pathfirst,

pathmiddle, or pathlast. It is notavailable for standard.

\tcbset{colback=red!5!white,fonttitle=\bfseries}

\begin{tcolorbox}[enhanced,title=My title,

frame style={left color=red!75!black,

right color=blue!75!black}]

This is a \textbf{tcolorbox}.

\tcblower

This is the lower part.

\end{tcolorbox}

My title

This is a tcolorbox.

This is the lower part.

/tcb/frame style image=file name (no default, initially unset)Fills the frame with an external image referenced by file name. For advanced fea-tures like blending of a picture with the background, use /tcb/frame styletogether with/tikz/fill stretch imageP. 245.

\tcbset{colback=red!5!white,fonttitle=\bfseries}

\begin{tcolorbox}[enhanced,title=My title,

frame style image=blueshade.png]

This is a \textbf{tcolorbox}.

\tcblower

This is the lower part.

\end{tcolorbox}

My title

This is a tcolorbox.

This is the lower part.

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/tcb/frame style tile={graphics options}{file name} (no default, initially unset)Fills the frame with a tile pattern based on an external image referenced byfile name. Thegraphics optionsare given to the underlying \includegraphicscommand. For advancedfeatures like blending of a picture with the background, use /tcb/frame styleP. 139 to-gether with /tikz/fill tile imageP. 249.

\tcbset{colback=red!5!white,coltitle=red!30!black,

opacityback=0.75,fonttitle=\bfseries}

\begin{tcolorbox}[enhanced,title=My title,

frame style tile={width=1cm}{pink_marble.png}]

This is a \textbf{tcolorbox}.

\tcblower

This is the lower part.

\end{tcolorbox}

My title

This is a tcolorbox.

This is the lower part.

/tcb/frame hidden (style, no value)This is a shortcut for frame style={draw=none,fill=none}. Depending on the skin, thisoption switches off the drawing of the frame. Alternatively, use /tcb/frame emptyP. 129.

\tcbset{colback=red!5!white,colframe=red!75!black,fonttitle=\bfseries,coltitle=black}

\begin{tcolorbox}[enhanced,title=My title,

frame hidden]

This is a \textbf{tcolorbox}.

\tcblower

This is the lower part.

\end{tcolorbox}

My title

This is a tcolorbox.

This is the lower part.

/tcb/interior style=tikz keys (style, no default)The tikz keys are used inside the tikz path command for drawing the interior of thebox. They are used for the titled and for the untitled version as well.This option is available if the /tcb/interior titled engineP. 126 or /tcb/interiorengineP. 127 is set to path, pathfirst, pathmiddle, or pathlast. It is notavailable for

standard.

\tcbset{colframe=red!75!black,fonttitle=\bfseries}

\begin{tcolorbox}[enhanced,title=My title,

interior style={left color=red!20!white,

right color=yellow!50!white}]

This is a \textbf{tcolorbox}.

\tcblower

This is the lower part.

\end{tcolorbox}

My title

This is a tcolorbox.

This is the lower part.

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