cor de fundo da opacidade CSS
background: rgba(255, 255, 255, 0.25);
Lucas Juan
background: rgba(255, 255, 255, 0.25);
rgb(255,0,0) /*red*/ Hex #FF0000
rgb(0,128,0) /*green*/ Hex #008000
rgba(255, 255, 255) /* white */
rgba(255, 255, 255, .5) /* white with 50% opacity */
rgba(255 255 255 / 0.5); /* CSS Colors 4 space-separated values */
The red, green, blue, and alpha color components of the RGBA mode.