Change background color of clicked option in duallistbox

Question

Im using bootstrap-duallistbox

Currently, when users click an option from either box, the option background turns blue for a second then the option is moved to the ot

Answer 1

What I have tried in inspect element form bootstrap-duallistbox

for options hover

.bootstrap-duallistbox-container select option:hover, 
.bootstrap-duallistbox-container select option:focus, 
.bootstrap-duallistbox-container select option:active  {
        background-color: red;
    }