#attacks-table th {
    cursor: pointer;
}

#attacks-table th.th-sort-asc::after,
#attacks-table th.th-sort-desc::after {
    content: " ";
    display: inline-block;
    margin-left: 0.5em;
    border: 4px solid transparent;
}

#attacks-table th.th-sort-asc::after {
    border-bottom-color: currentColor;
    border-top-width: 0;
}

#attacks-table th.th-sort-desc::after {
    border-top-color: currentColor;
    border-bottom-width: 0;
}