.icon() {
    vertical-align: middle;
    background-size: 100% auto;
    background-position: center;
    background-repeat: no-repeat;
    font-style: normal;
    position: relative;
    font-family: "zaui-icons";
    font-weight: normal;
    font-style: normal;
    font-size: @icon-default-size;
    width: 1em;
    height: 1em;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-flex;
    white-space: nowrap;
    word-wrap: normal;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-feature-settings: "liga";
    -moz-font-feature-settings: "liga=1";
    -moz-font-feature-settings: "liga";
    font-feature-settings: "liga";
    text-align: center;
}