.b-position-center-top {background-position: center top !important;}
.b-position-center {background-position: center center !important;} // default
.b-position-center-bottom {background-position: center bottom !important;}

.b-position-left-top {background-position: left top !important;}
.b-position-left-center {background-position: left center !important;}
.b-position-left-bottom {background-position: left bottom !important;}

.b-position-right-top {background-position: right top !important;}
.b-position-right-center {background-position: right center !important;}
.b-position-right-bottom {background-position: right bottom !important;}