Css opacity background color

background: rgba(255, 255, 255, 0.25);

Background color with opacity

h1 {background-color:rgba(255,0,0,0.3);}

Background opacity css hex

background-color: #ff000088; <--- the 88 is the alpha
background-color: #ff0000 50%;

Source: stackoverflow.com

Background color transparent opacity css

/* css semi-transparent background color */
.bg-semi-transparent {
  background-color: #ffffff40!important;
  /* change numbers from 00 to 99 at last of hex code 
  for transpency you want. */
}

Background color opacity

rgba(51, 170, 51, .1)    /*  10% opaque green */ 
rgba(51, 170, 51, .4)    /*  40% opaque green */ 
rgba(51, 170, 51, .7)    /*  70% opaque green */ 
rgba(51, 170, 51,  1)    /* full opaque green */

Source: stackoverflow.com

Similar codes

0 vote144 views1 answer
How to middle div
CSS
0 vote150 views1 answer
Morphism box shadow
CSS
0 vote149 views1 answer
Custom horizontal scrollbar css
CSS
0 vote222 views2 answers
Check if post page wp
CSS
0 vote140 views1 answer
Vervaging en verloop css
CSS
0 vote141 views1 answer
Select html stop blue border
CSS
0 vote141 views2 answers
Sass variables across files
CSS
2 votes146 views1 answer
Warning: LF will be replaced by CRLF in Design/css/bootstrap.min.css.
CSS
4 votes193 views6 answers
Aos library
CSS
0 vote149 views1 answer
Define keyframes with javascript
CSS