CSS rgba() Funksie
Voorbeeld
Definieer verskillende RGB-kleure met ondeursigtigheid (RGBA):
#p1 {background-color:rgba(255,0,0,0.3);} /* red with opacity*/
#p2 {background-color:rgba(0,255,0,0.3);} /* green with opacity */
#p3 {background-color:rgba(0,0,255,0.3);} /* blue with opacity */
Definisie en gebruik
Die rgba()-funksie definieer kleure deur die Rooi-groen-blou-alfa (RGBA)-model te gebruik.
RGBA-kleurwaardes is 'n uitbreiding van RGB-kleurwaardes met 'n alfakanaal - wat die ondeursigtigheid van die kleur spesifiseer.
Weergawe: | CSS3 |
---|
Blaaierondersteuning
Die nommers in die tabel spesifiseer die eerste blaaierweergawe wat die funksie ten volle ondersteun.
Function | |||||
---|---|---|---|---|---|
rgba() | 1.0 | 9.0 | 3.0 | 3.1 | 10.0 |
CSS-sintaksis
rgba(red, green, blue, alpha)
Value | Description |
---|---|
red | Defines the intensity of red as an integer between 0 and 255, or as a percentage value between 0% and 100% |
green | Defines the intensity of green as an integer between 0 and 255, or as a percentage value between 0% and 100% |
blue | Defines the intensity of blue as an integer between 0 and 255, or as a percentage value between 0% and 100% |
alpha | Defines the opacity as a number between 0.0 (fully transparent) and 1.0 (fully opaque) |