table .tablesorter-header {
    cursor: pointer;
}

table .tablesorter-header-inner:after {
    content: "";
    float: right;
    margin-top: 7px;
    border-width: 0 4px 4px;
    border-style: solid;
    border-color: #000000 transparent;
    visibility: hidden;
}

table .tablesorter-headerDesc, table .tablesorter-headerAsc {
    background-color: #f7f7f9;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
}

table .tablesorter-header-inner:hover:after {
    visibility: visible;
}

table .tablesorter-headerAsc .tablesorter-header-inner:after, table .tablesorter-headerAsc .tablesorter-header-inner:hover:after {
    visibility: visible;
    filter: alpha(opacity = 60);
    -moz-opacity: 0.6;
    opacity: 0.6;
}

table .tablesorter-headerDesc .tablesorter-header-inner:after {
    border-bottom: none;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #000000;
    visibility: visible;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    filter: alpha(opacity = 60);
    -moz-opacity: 0.6;
    opacity: 0.6;
}