.u-text-left {
    text-align: left;
}

.u-text-right {
    text-align: right;
}

.u-text-center {
    text-align: center;
}

.u-text-center\<tablet {
    @include mq($until: 840px) {
        text-align: center;
    }
}

.u-vertical-align-middle {
    vertical-align: middle;
}