.wi-direction-up:before {content: $direction-up;}
.wi-direction-up-right:before {content: $direction-up-right;}
.wi-direction-right:before {content: $direction-right;}
.wi-direction-down-right:before {content: $direction-down-right;}
.wi-direction-down:before {content: $direction-down;}
.wi-direction-down-left:before {content: $direction-down-left;}
.wi-direction-left:before {content: $direction-left;}
.wi-direction-up-left:before {content: $direction-up-left;}