CSS Hover Style for SVG Images (Custom Buttons)

Ignition
,
5

I tried:

.psc-Invisible_Button{
    cursor: pointer;
    -webkit-transition-duration: 0.1s;
    transition-duration: 0.1s;
    transition-property: box-shadow, background-color;
}

.psc-Invisible_Button:hover{
	box-shadow: var(--boxShadow);
}

no dice.