@mixin extjs-form-fieldset {
    .#{$prefix}fieldset {
        border: $fieldset-border;
        
        padding: 0 $fieldset-padding;
        margin-bottom: $fieldset-padding;
        
        display: block; /* preserve margins in IE */
    }
    
    .#{$prefix}ie .#{$prefix}fieldset {
        padding-top: 0;
        padding-bottom: $fieldset-padding;
    }
    
    .#{$prefix}fieldset-header {
        font: $fieldset-header-font;
        color: $fieldset-header-color;
        padding: $fieldset-header-padding;
        line-height: 16px;

        .#{$prefix}fieldset-header-text {
            float: left;
        }
        
        .#{$prefix}form-item,
        .#{$prefix}tool {
            float: left;
            margin: 0 3px 0 0;
        }

        .#{$prefix}form-cb-wrap {
            padding: 0;
        }
    }

    .#{$prefix}webkit .#{$prefix}fieldset-header {
        padding-top: 1px;
    }

    @if $include-ie {
        .#{$prefix}quirks .#{$prefix}ie .#{$prefix}fieldset-header,
        .#{$prefix}ie6 .#{$prefix}fieldset-header,
        .#{$prefix}ie7 .#{$prefix}fieldset-header,
        .#{$prefix}ie8 .#{$prefix}fieldset-header {
            padding: 0;
        }

        .#{$prefix}ie9 .#{$prefix}fieldset-header {
            padding-top: 1px;
        }
    }
    
    .#{$prefix}fieldset-collapsed {
        .#{$prefix}fieldset-body {
            display: none;
        }
    }

    .#{$prefix}fieldset-collapsed {
        padding-bottom: 0 !important;
        
        border-width: 1px 1px 0 1px !important;
        border-left-color: transparent !important;
        border-right-color: transparent !important;
    }

    @if $include-ie {
        .#{$prefix}ie6 .#{$prefix}fieldset-collapsed {
            border-width: 1px 0 0 0 !important;

            padding-bottom: 0 !important;
            margin-left: 1px;
            margin-right: 1px;
        }

        .#{$prefix}ie .#{$prefix}fieldset-bwrap {
            zoom: 1;
        }
    }

    @if $include-ie {
        /* IE legend positioning bug */
        .#{$prefix}ie .#{$prefix}fieldset-noborder legend {
            position: relative;

            margin-bottom: 23px;
        }

        .#{$prefix}ie .#{$prefix}fieldset-noborder legend span {
            position: absolute;
            left: 16px;
        }
    }
    
    .#{$prefix}fieldset {
        overflow: hidden;
    }

    .#{$prefix}fieldset-bwrap {
        overflow: hidden;
        
        zoom: 1;
    }

    .#{$prefix}fieldset-body {
        overflow: hidden;
    }
}