.time-line-align(@align:left) {
&-align-@{align} &-item-dot {
@{align}: 0;
}
&-align-@{align} &-item-tail {
@{align}: ((@time-line-dot-side-length - @time-line-tail-width) / 2);
}
&-align-@{align} &-item {
padding-@{align}: @time-line-item-padding-left;
}
}