    .#{$prefix}panel,
    .#{$prefix}plain {
        overflow: hidden;
        position: relative;
    }

    .#{$prefix}panel {
        outline: none;
    }

    @if $include-ie {
        // Workaround for disappearing right edge in IE6
        .#{$prefix}ie {
            .#{$prefix}panel-header,
            .#{$prefix}panel-header-tl,
            .#{$prefix}panel-header-tc,
            .#{$prefix}panel-header-tr,
            .#{$prefix}panel-header-ml,
            .#{$prefix}panel-header-mc,
            .#{$prefix}panel-header-mr,
            .#{$prefix}panel-header-bl,
            .#{$prefix}panel-header-bc,
            .#{$prefix}panel-header-br {
                zoom: 1;
            }
        }
        // Fix for IE8 clipping. EXTJSIV-1553
        .#{$prefix}ie8 {
            td.#{$prefix}frame-mc {
                vertical-align: top;
            }
        }
    }

    .#{$prefix}panel-body {
        overflow: hidden;
        position: relative;
    }

    @if not $supports-gradients or $compile-all {
        .#{$prefix}nlg .#{$prefix}panel-header-vertical {
            .#{$prefix}frame-mc {
                background-repeat: repeat-y;
            }
        }
    }

    .#{$prefix}panel-header-plain,
    .#{$prefix}panel-body-plain {
        border: 0;
        padding: 0;
    }