beamerthemeBlueSky.sty

\mode<presentation>

\usecolortheme{whale}
\usecolortheme{orchid}
\useinnertheme{rounded}
\useoutertheme{infolines}

\setbeamertemplate{headline}[default]

\definecolor{ExSkyBlue}{RGB}{4, 114, 255}
\definecolor{Crimson}{RGB}{220, 20, 60}
\definecolor{Lime}{RGB}{0, 255, 0}
\setbeamercolor{structure}{fg=ExSkyBlue}
\setbeamercolor{alerted text}{fg=Crimson}
\setbeamercolor{example text}{fg=Lime}

\setbeamertemplate{items}[default]
\setbeamertemplate{background canvas}[vertical shading][bottom=white,top=cyan!15] 

\setbeamerfont{frametitle}{size=\Large}

\mode
<all>