Set the transparency of the box to a numerical value. The default is set to 1, and the transparency increases as the number approach to 0.The transparency of the box also affects child elements. Related ArticlesHow to Set Box Size UnitsPositions: Relative, Fixed, Absolute, and Sticky.HTML Heading Tags <h1> to <h6>Set colors in the color paletteSet up an infinite scrolling marquee with LoopBox