*,
*:before,
*:after {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}


output {
    display: block;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    margin: 30px 0;
    width: 100%;
    color: var(--si-gray-900)
}

.u-left {
    float: left;
}

.u-cf:before,
.u-cf:after {
    content: "";
    display: table;
}
.u-cf:after {
    clear: both;
}

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