@mixin layout-line ($child, $fontSize) {
    margin: 0;
    padding: 0;
    font-size: 0;
    #{$child} {
        display: inline-block;
        font-size: $fontSize;
    }
}

@mixin layout-table-center ($cellWrap) {
    display: table;
    table-layout: fixed;
    text-align: center;
    #{$cellWrap} {
        display: table-cell;
        vertical-align: middle;
    }
}

@mixin layout-flex-center {
    display: -webkit-box;
    /* OLD: Safari,  iOS, Android browser, older WebKit browsers.  */
    display: -moz-box;
    /* OLD: Firefox (buggy) */
    display: -ms-flexbox;
    /* MID: IE 10 */
    display: -webkit-flex;
    /* NEW, Chrome 21-28 Safari 6.1+ */
    display: flex;
    /* NEW: IE11, Chrome 29+, Opera 12.1+, Firefox 22+ */
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
}

@mixin box-sizing {
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}