::-webkit-scrollbar {
    width: 6px;
    height: 5px;
    margin-right: -6px;
    /*overflow-y: scroll;*/
    overflow-y: auto;
}
::-webkit-scrollbar-track {
    background: #000000;
    /*background:transparent;*/ 
    border-radius: 0px;
}
::-webkit-scrollbar-thumb {
    background: #7c7c7c;  /*#419c98;*/
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a2a2a2; /*#1fc4c4;*/
    border-radius: 5px;
}

/*body {overflow: overlay;}*/

@media screen and (max-width: 550px) {
    ::-webkit-scrollbar {
        width: 4px;
    }
    ::-webkit-scrollbar-track {
        background:rgba(0,0,0,0.2) !important; 
    }

}