.combo-1 {
background-image: url("img/spb-6.jpg");
filter: drop-shadow(5px 5px 5px #000000) opacity(0.5)
}
.combo-2 {
background-image: url(“img/spb-1.jpg”);
filter: saturate(5) blur(1px)
}
.combo-3 {
background-image: url(“img/spb-3.jpg”);
filter: brightness(150%) hue-rotate(270deg);
}