OS X风格滚动条

scrollbar.css

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track-piece {
    background-color: transparent;
}

body::-webkit-scrollbar-track-piece {
    background-color: white;
}

::-webkit-scrollbar-track-piece:no-button {
}

::-webkit-scrollbar-thumb {
    background-color: #7D7D7D;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #999;
}

::-webkit-scrollbar-thumb:active {
    background-color: #666;
}