OfficialSite/assets/styles/tools/_mixins.scss

// ==========================================================================
// Mixins
// ==========================================================================
@mixin vertical-center {
    font-size: 0;

    &:before {
        display: inline-block;
        height: 100%;
        content: "";
        vertical-align: middle;
    }

    > * {
        display: inline-block;
        vertical-align: middle;
        font-size: 1rem;
    }
}

// Micro clearfix, as per {@link css-101.org/articles/clearfix/latest-new-clearfix-so-far.php CSS Mojo}
//
// @see inuitcss/generic.clearfix
@mixin clearfix {
    &:after {
        display: table;
        clear: both;
        content: "";
    }
}

@mixin list-reset {
    margin: 0;
    padding: 0;
    list-style: none;
}

@mixin tap-highlight-color {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

@mixin overflow-scrolling {
    -webkit-overflow-scrolling: touch;
}