    .#{$prefix}body {
        margin: 0;
    }

    img {
        border: 0;
    }

    .#{$prefix}border-box,
    .#{$prefix}border-box * {
        box-sizing:border-box;
        -moz-box-sizing:border-box;
        -ms-box-sizing:border-box;
        -webkit-box-sizing:border-box;
    }

    .#{$prefix}rtl {
        direction: rtl;
    }

    .#{$prefix}ltr {
        direction: ltr;
    }

    .#{$prefix}clear {
        overflow: hidden;
        clear: both;
        font-size: 0;
        line-height: 0;
        display: table;
    }

    .#{$prefix}strict .#{$prefix}ie7 .#{$prefix}clear {
        // In IE7 strict the clear element has to have both a height and width of 0, otherwise the height of its parent element gets
        // increased by 1px.  We cannot simply add the zero height/width for all browsers, because in IE quirks the height
        // of the clear element's parent element gets increased by 1px if the clear element has either height:0 or width:0.
        height: 0;
        width: 0;
    }

    .#{$prefix}layer {
        position: absolute !important;
        overflow: hidden;
        zoom: 1;
    }

    // Support for Floating config fixed: true which creates a fixed Layer.
    // Currently only available in browsers which support position: fixed
    .#{$prefix}fixed-layer {
        position: fixed !important;
        overflow: hidden;
        zoom: 1;
    }

    .#{$prefix}shim {
        position: absolute;
        left: 0;
        top: 0;
        overflow: hidden;
        @include opacity(0);
    }

    .#{$prefix}hide-display {
        display: none !important;
    }

    .#{$prefix}hide-visibility {
        visibility: hidden !important;
    }

    @if $include-ie {
        .#{$prefix}ie6 .#{$prefix}item-disabled {
            filter: none;
        }
    }

    .#{$prefix}hidden,
    .#{$prefix}hide-offsets {
        // to deal with inline elements that can't be position:absolute
        display: block !important;
        // ensure the browser disallows tabbing into this element
        visibility: hidden !important;
        position: absolute !important;
        // hide using top since left  can trigger a horizontal scrollbar in rtl mode.
        top: -10000px !important;
    }

    .#{$prefix}hide-nosize {
        height: 0 !important;
        width: 0 !important;
    }

    // A hide method which is still accessible to screen readers
    .#{$prefix}hide-clip {
        position: absolute!important;
        clip: rect(0,0,0,0);

        // IE6 and IE7 use space separators
        clip: rect(0 0 0 0);
    }

    .#{$prefix}masked-relative {
        position: relative;
    }

    // Element shadows for IE 8 and below
    @if $include-ie {
        .#{$prefix}ie-shadow {
            background-color: #777;
            display: none;
            position: absolute;
            overflow: hidden;
            zoom: 1;
        }
    }

    .#{$prefix}unselectable {
        @include no-select;
    }

    .#{$prefix}selectable {
        cursor: auto;

        // Mozilla and WebKit support these properties
        -moz-user-select: text;
        -webkit-user-select: text;

        // IE 10 is expected to support this
        -ms-user-select: text;

        // No browsers currently support these
        user-select: text;
        -o-user-select: text;
    }

    .#{$prefix}list-plain {
        // removes default styling from ul elements
        list-style-type: none;
        margin: 0;
        padding: 0;
    }

    .#{$prefix}table-plain {
        border-collapse: collapse;
        border-spacing: 0;
        // inherit font size from parent node instead of using the browser's default font
        // size for tables. (can't use font-size: inherit because of lack of IE6/7 support)
        font-size: 1em;
    }

    .#{$prefix}frame-tl,
    .#{$prefix}frame-tr,
    .#{$prefix}frame-tc,
    .#{$prefix}frame-bl,
    .#{$prefix}frame-br,
    .#{$prefix}frame-bc {
        overflow: hidden;
        background-repeat: no-repeat;
    }

    .#{$prefix}frame-tc,
    .#{$prefix}frame-bc {
        background-repeat: repeat-x;
    }

    .#{$prefix}frame-mc {
        background-repeat: repeat-x;
        overflow: hidden;
    }

    .#{$prefix}proxy-el {
        position: absolute;
        background: rgb(180, 180, 180);
        @include opacity(0.8);
    }

    // Element shadows for browsers that support CSS3 box-shadow
    .#{$prefix}css-shadow {
        position: absolute;
        @include border-radius($css-shadow-border-radius);
    }

    .#{$prefix}item-disabled,
    .#{$prefix}item-disabled * {
        cursor: default;
    }