.b-ext .tablesort {display: inline-block;width: 16px;height: 16px;background-size: 100%;}
.b-ext .tablesort--asc {background-image: url("/ext/themes/contrib/stable/images/core/icons/787878/twistie-down.svg");}
.b-ext .tablesort--desc {background-image: url("/ext/themes/contrib/stable/images/core/icons/787878/twistie-up.svg");}