.iui-listbar
{
    background-color: #363636;
    border-color: #121212;
    color: #c5c5c5;
}
.iui-listbar-button-up
{
    background: #808080;
    border: thin solid #606060;
}
.iui-listbar-button-down
{
    background: #808080;
    border: thin solid #606060;
}
.iui-listbar-button-up:hover, .iui-listbar-button-down:hover
{
    background: #969696;
    border-color: #606060;
}