meroua

you can add a custom csss in the additional css of the customiser like this (change the colors as u want ):

    ::-webkit-scrollbar{
width: 0.7vw;
background: #f5f5f5;

}::-webkit-scrollbar-thumb{
background: -webkit-linear-gradient(transparent,#004080);
background: linear-gradient(transparent,#004080);
border-radius: 20px;
}
::-webkit-scrollbar-thumb:hover{
background: -webkit-linear-gradient(transparent,#E5BB19);
background: linear-gradient(transparent,#E5BB19);
}