CSS to show scrollbar in EUI

CSS to show scrollbar in EUI:

.surveysparrow-survey-container--classic-form .ss-fp-scroll__item-data-wrap::-webkit-scrollbar-thumb
{
background: #04A96D;
width: 30px;
}
.surveysparrow-survey-container--classic-form .ss-fp-scroll__item-data-wrap::-webkit-scrollbar-thumb
{
background: #d70808;
}
.surveysparrow-survey-container--classic-form .ss-fp-scroll__item-data-wrap::-webkit-scrollbar
{
width: 30px;
}