table.sortable th:not(.sorttable_sorted):not(.sorttable_sorted_reverse):not(.sorttable_nosort):after { 
    content: " \25B4\25BE"; 
}
tr:nth-child(odd){background-color: rgba(249, 235, 182, 1);}
tr:nth-child(even){background-color: rgba(223, 196, 99, 0.5);}