.g-countdown {
    @height: 26px;

    .colon {
        height: @height;
        line-height: @height;
        display: inline-block;
        vertical-align: middle;
    }

    .sliding-digit-outer {
        overflow: hidden;
        background: transparent;
        border-radius: 4px;
        height: @height;
        line-height: @height;
        display: inline-block;
        vertical-align: middle;
    }

    .sliding-digit-inner {
        margin-top: -@height;

        &.slided {
            margin-top: 0;
            transition: margin 0.2s;
        }

        p {
            height: @height;
            line-height: @height;
            text-align: center;
            margin: 0;
            width: 10px; // Very important, for stable UI effect
        }
    }
}