Bordercontrol decorates a child with a border and background. It can also be used to display rounded corners by setting the
inset: If not specified (default), the shadow is assumed to be a drop shadow (as if the box were raised above the content). The presence of the inset keyword changes the shadow to one inside the frame (as if the content was depressed inside the box). Inset shadows are drawn inside the border (even transparent ones), above the background, but below content
offset-xspecifies the horizontal distance. Negative values place the shadow to the left of the element.
offset-yspecifies the vertical distance. Negative values place the shadow above the element. If both values are 0, the shadow is placed behind the element (and may generate a blur effect if
blur-radius: The larger this value, the bigger the blur, so the shadow becomes bigger and lighter. Negative values are not allowed. If not specified, it will be 0 (the shadow's edge is sharp)
spread-radius: Positive values will cause the shadow to expand and grow bigger, negative values will cause the shadow to shrink. If not specified, it will be 0 (the shadow will be the same size as the element).
color: The color of the shadow using a color name (such as
red) or a
#hexadecimal color value