DROP SHADOW AFTER EFFECTS STAGGER WINDOWS
The modal element would get a very large box shadow that would cover the entire area of the viewport behind it (using a large spread radius value), thus creating the semi-transparent overlay effect seen behind many modal windows or lightbox image galleries. The box-shadow property can also be used to create a dimming overlay background effect behind a modal window. See the demos section below for examples. The box-shadow property can be used to fake multiple borders by adding multiple sharp box shadows (shadows without a blur radius). In terms of stacking contexts and the painting order, the outer shadows of an element are drawn immediately below the background of that element, and the inner shadows of an element are drawn immediately above the background of that element (below the borders and border image, if any). Shadows do not influence layout and may overlap other boxes or their shadows. The order by which the multiple shadows are rendered is the same as the order of shadows created behind text using the text-shadow property-shadows are applied front-to-back: the first shadow is on top and the others are layered behind. When multiple box shadows are applied to an element, they are declared as a comma-separated list of shadows. The border image (see border-image) does not affect the shape of the box-shadow. If the element has rounded corners (see border-radius), then the shadow shape is rounded in the same way. This can be done by adding the keyword inset to the delcaration.īox-shadow: inset The drop shadow can also be created inside the element-as an inner shadow-creating the illusion of depth inside the element. The drop shadow can be offsetted to the left or right, and to the top or bottom of the element, making it possible to fake the existence of a “source of light” on the page in different positions. Practically, any element can get a drop shadow using this property.Įach shadow is defined by one to five components: a horizontal offset value, a vertical offset value, an optional blur radius, an optional spread radius, and an optional color.īox-shadow: The box-shadow property is used to cast one or more drop shadows to an element.
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