Transparent Steam In-Game Notifications

gameoverlay.styles
{
	include "resource/styles/steam.styles"

	colors
	{
		mostly_black "0 0 0 240"
		semi_black "0 0 0 240"
		semi_gray "32 32 32 240"
		ClientBGTrans="0 0 0 80"
		DialogBGTrans="56 54 53 80"
		Notifications.PanelPosition     "BottomRight"  // osx has toast in the upper right, but in-overlay should not.
	}

	styles
	{
		detailsbox
		{
			render_bg
			{
				0="gradient( x0, y0, x1, y1, mostly_black, semi_gray)"
			}
		}

		detailsboxtitle
		{
			font-size=28
			font-style=uppercase
		}
		Notification
		{
			font-family=basefont
			font-size=15
			font-weight=400
			bgcolor=none
			render_bg
			{
				0="gradient( x0+1, y0, x1-1, y0+80, DialogBGTrans, ClientBGTrans )"

				0="gradient_horizontal( x0 + 1, y1 - 1, x1 -1, y1, ClientBGTrans, Highlight5 )"    // bottom
				1="gradient( x1 - 1, y0 + 1, x1, y1 - 1, ClientBGTrans, Highlight5 )" // right
				2="fill( x0 + 1, y0, x1 - 1, y0 + 1, ClientBGTrans )"  // top
				3="fill( x0, y0 + 1, x0 + 1, y1 - 1, ClientBGTrans )" // left

				// single pixel fills in the corners
				4="fill( x0 + 1, y0 + 1, x0 + 2, y0 + 2, ClientBGTrans )"
				5="fill( x1 - 2, y0 + 1, x1 - 1, y0 + 2, ClientBGTrans )"
				6="fill( x0 + 1, y1 - 2, x0 + 2, y1 - 1, ClientBGTrans )"
				7="fill( x1 - 2, y1 - 2, x1 - 1, y1 - 1, Highlight5a )"
			}
			render {}
			corner_rounding=1
		}
	}

}