@mixin timeline-item-right-side-position($arrow-width) {

float: right !important;
&:before, &:after {
  right: auto !important;
  border-left-width: 0 !important;
}
&:before {
  left: -$arrow-width !important;
  border-right-width: $arrow-width !important;
}
&:after {
  left: -($arrow-width - 1px) !important;
  border-right-width: $arrow-width - 1px !important;
}

}