CODE EXAMPLE FOR CSS

box shadow

/* offset-x, offset-y, (blur-radius and/or spread-radius=optional) and color */
selector {
  box-shadow: offset-x offset-y (blur-radius and/or spread-radius=optional) color;
}

/* Example */
.test-shadow {
	box-shadow: 4px 4px 20px 0px #0000003d;
}