.tablesorter-outter { overflow-x: auto; }

table.tablesorter thead tr .header {
    cursor: pointer;
}

table.tablesorter thead tr .headerSortUp:after {
    font-family: "Glyphicons Halflings";
    content: "\e156";
    color: #a0a0a0;
}
table.tablesorter thead tr .headerSortDown:after {
    font-family: "Glyphicons Halflings";
    content: "\e155";
    color: #a0a0a0;
}