Color de fondo semi transparente
.transparent {
background-color: rgba(255, 255, 255, 0.5);
}
.transparent {
opacity: 0.5;
}
Courageous Crab
.transparent {
background-color: rgba(255, 255, 255, 0.5);
}
.transparent {
opacity: 0.5;
}.opacity30 {
opacity: 0.3;
filter: alpha(opacity=30); /* For IE8 and earlier */
}Use this one its best
linK: https://www.remove.bg/
background-color : rgba(0, 0, 0, 0.6);
/* Transparent Black the last value decide how much transparency do we want */
and first 3 values decide which color you get it red, blue and green.