backgroundColor
backgroundColor: string
bottomMargin
bottomMargin: number
countDownLabelColor
countDownLabelColor: string
faceNotCenteredColor
faceNotCenteredColor: string
pulseRateColor
pulseRateColor: string
pulseRateLabelColor
pulseRateLabelColor: string
starBorderColor
starBorderColor: string
starFillColor
starFillColor: string
topMargin
topMargin: number
must be > 0 and <= 1