.absolute-center(@position: absolute) {
    position: @position;
    top: 50%;
    left: 50%;
    .transform(translate(-50%, -50%));
}

.absolute-center-horizontal(@position: absolute) {
    position: @position;
    left: 50%;
    .transform(translateX(-50%));
}

.absolute-center-vertical(@position: absolute) {
    position: @position;
    top: 50%;
    .transform(translateY(-50%));
}