NU
.opacity30 {
opacity: 0.3;
filter: alpha(opacity=30); /* For IE8 and earlier */
}
arrière-plan-image: opacité de l'url
background-image: url(IMAGE_URL); /* fallback for older browsers */
background-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%,rgba(0,0,0,0.6) 100%), url(IMAGE_URL);
css comment rendre l'arrière-plan transparent
/* Use RGBA */
background-color: rgba(255, 255, 0, 0.75); /* Transparent Yellow */
définir l'opacité de l'image d'arrière-plan
#bg{
background-image: url('images/wood1.jpg');
opacity:0.2;
width:300px;
height:300px;
}
NU
background-color: rgba(255, 0, 0, 0.5);
opacité de l'image d'arrière-plan css
body::before{
content: "";
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: -1;
background-image: url(image.jpg); /*Put your image url*/
background-size: cover;
background-position: center;
opacity: 0.25; /*Value from 0.0 to 1.0*/
}
opacité de l'image d'arrière-plan css
/* Two ways to make images opaque */
div {
background-color : rgba(120, 120, 120, 0.5)
/* the 0.5 is the value of opacity on a scale of 0-1 */
}
/* OR */
div {
background-color : blue
opacity : 50%
}
Opacité de l'image d'arrière-plan CSS
div {
opacity : 50%;
}
/* Use opacity to change the opacity of selected css */