@-moz-document domain('apple.stackexchange.com'), @-webkit-document domain('apple.stackexchange.com') {
html {
    overflow: auto;
}
body {
    /*position: absolute;*/
    top: 1px;
    bottom: 1px;
    overflow-y: scroll;
    overflow-x: hidden;
}
/* Start Scrollbar */
::-webkit-scrollbar {
    width: 10px;
} 
/* Track */
::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0.3);
    -webkit-border-radius: 10px;
    border-radius: 10px;
}
/* Handle */
::-webkit-scrollbar-thumb {
    -webkit-border-radius: 10px;
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 45px rgba(0,0,0,0.5);
}
::-webkit-scrollbar-thumb:window-inactive {
    background: rgba(255,0,0,0.4);
}
}