<apex:sectionHeader title="Dollor Store"/>

Custom42Tab .pageTitleIcon, .individualPalette .Custom42Block .pageTitleIcon {
    background-image: url(/img/icon/chest32.png);
    background-position: 0 0;
    width: 32px;
    height: 32px;
}

.pageTitleIcon
{
    background-image: background-image: url(/img/icon/cash32.png) !important;
}