Page 126 - CSS

property, such as background-color. The example below shows the children using the color set in
the parent as its background:

.parent-class {
color: blue;
}

.parent-class .child-class {
background-color: currentColor;
}

Possible Result:

rgba() Notation

Similar to rgb() notation, but with an additional alpha (opacity) value.

.red {
/* Opaque red */
color: rgba(255, 0, 0, 1);
}

.red-50p {
/* Half-translucent red. */
color: rgba(255, 0, 0, .5);
}

Syntax

rgba(<red>, <green>, <blue>, <alpha>);

Value Description

<red> an integer from 0 - 255 or percentage from 0 - 100%

https://riptutorial.com/ 104