Before text-shadow appeared, the text effect was generally made with Photoshop as an image for web design . Now we have css3 that can use text-shadow property to specify the shadow. This property can have two effects, creating shadows and fuzzy body. So we don't need to use image to texture fonts anymore. Text-shadow ever appeared in CSS2 in fact,but it had been removed since CSS 2.1 until CSS 3.0 version emerged.I personally feel that the use of text-shadow property may be one of the largest, as the front-end staff I think we need to learn and master the text-shadow property.
text-shadow ： none | <length> none | [<shadow>, ] * <shadow>
text-shadow ： none | <color> [, <color> ]*
text-shadow:[Color X Offset Y Offset Blur)],[color) X Offset Y Offset Blur]...
text-shadow:[X Offset Y Offset Blur Color)],[X Offset Y Offset Blur Color]...
length, can be negative. Used to specify the extension of the shadow distance. Which is the horizontal offset value X Offset, Y Offset is the vertical offset: Specifies the shadow color, transparent color can also be rgba: Shadow of the fuzzy value can not be negative, is used to specify the role of distance blur.