.filter-darken-1{filter:brightness(.9);-webkit-filter:brightness(.9)}.filter-darken{filter:brightness(.8);-webkit-filter:brightness(.8)}.filter-darken-3{filter:brightness(.7);-webkit-filter:brightness(.7)}.filter-darken-4{filter:brightness(.6);-webkit-filter:brightness(.6)}.filter-darken-5{filter:brightness(.5);-webkit-filter:brightness(.5)}.filter-darken-6{filter:brightness(.4);-webkit-filter:brightness(.4)}.filter-darken-7{filter:brightness(.3);-webkit-filter:brightness(.3)}.filter-darken-8{filter:brightness(.2);-webkit-filter:brightness(.2)}.filter-darken-9{filter:brightness(.1);-webkit-filter:brightness(.1)}