fireInternet/res/extjs/resources/themes/stylesheets/ext4/default/widgets/_menu.scss

/**
 * Creates the base structure of a Menu
 * @member Ext.menu.Menu
 */
@mixin extjs-menu {
    .#{$prefix}menu-body {
        @include no-select;
        background: $menu-background-color !important;
        padding: $menu-padding;
    }

    .#{$prefix}menu-item .#{$prefix}form-text {
        user-select: text;
        -webkit-user-select: text;
        -o-user-select: text;
        -ie-user-select: text;
        -moz-user-select: text;
        -ie-user-select: text;
    }

    .#{$prefix}menu-icon-separator {
        position: absolute;
        top: 0px;
        left: $menu-item-indent;
        z-index: 0;
        border-left: solid 1px $menu-separator-border-color;
        background-color: $menu-separator-background-color;
        width: 2px;
        overflow: hidden;
    }

    .#{$prefix}menu-plain {
        .#{$prefix}menu-icon-separator {
            display: none;
        }
    }

    .#{$prefix}menu-focus {
        display: block;
        position: absolute;
        top: -10px;
        left: -10px;
        width: 0px;
        height: 0px;
    }

    .#{$prefix}menu-item {
        white-space: nowrap;
        overflow: hidden;
        z-index: 1;
    }

    .#{$prefix}menu-item-cmp {
        margin-bottom: 1px;
    }

    .#{$prefix}menu-item-link {
        display: block;
        margin: 1px;
        padding: $menu-link-padding;
        text-decoration: none !important;
        line-height: 16px;
        cursor: default;
    }

    @if $include-opera {
        .#{$prefix}opera {
            // Opera 10.5 absolute positioning of submenu arrow has issues
            // This will fix it, and not affect newer Operas
            .#{$prefix}menu-item-link {
                position: relative;
            }
        }
    }

    .#{$prefix}menu-item-icon {
        width: 16px;
        height: 16px;
        position: absolute;
        top: 5px;
        left: 4px;
        background: no-repeat center center;
    }

    // For when an icon needs to be used in the right position where a submenu arrow usually goes.
    // eg: When a CheckItem needs an icon. The left icon position is a checkbox, so the icon is moved to the right.
    .#{$prefix}menu-item-icon-right {
        width: 16px;
        height: 16px;
        position: absolute;
        top: 6px;
        right: 4px;
        background: no-repeat center center;
    }

    .#{$prefix}menu-item-text {
        font-size: ceil($font-size * .9);
        color: $menu-text-color;
    }

    .#{$prefix}menu-item-checked {
        .#{$prefix}menu-item-icon {
            background-image: theme-background-image($theme-name, $menu-icon-checked);
        }
        .#{$prefix}menu-group-icon {
            background-image: theme-background-image($theme-name, $menu-icon-group-checked);
        }
    }

    .#{$prefix}menu-item-unchecked {
        .#{$prefix}menu-item-icon {
            background-image: theme-background-image($theme-name, $menu-icon-unchecked);
        }
        .#{$prefix}menu-group-icon {
            background-image: none;
        }
    }

    .#{$prefix}menu-item-separator {
        height: 2px;
        border-top: solid 1px $menu-separator-border-color;
        background-color: $menu-separator-background-color;
        margin: $menu-padding 0px;
        overflow: hidden;
    }

    .#{$prefix}menu-item-arrow {
        position: absolute;
        width: 12px;
        height: 9px;
        top: 9px;
        right: 0px;
        background: no-repeat center center;
        background-image: theme-background-image($theme-name, $menu-icon-arrow);
    }

    .#{$prefix}menu-item-indent {
        margin-left: $menu-item-indent + $menu-padding + 2px; /* The 2px is the width of the seperator */
    }

    .#{$prefix}menu-item-active {
        cursor: pointer;

        .#{$prefix}menu-item-link {
            @include background-gradient($menu-item-active-background-color, 'matte');
            margin: 0px;
            border: 1px solid $menu-item-active-border-color;
            cursor: pointer;
            @include border-radius(3px);
        }
    }

    .#{$prefix}menu-item-disabled {
        @include opacity(.5);
    }

    @if $include-ie {
        .#{$prefix}ie {
            .#{$prefix}menu-item-disabled {
                .#{$prefix}menu-item-icon {
                    @include opacity(.5);
                }

                .#{$prefix}menu-item-text {
                    // IE opacity/cleartype bug workaround
                    background-color: transparent;
                }
            }

            .#{$prefix}strict .#{$prefix}ie7m & {
                .#{$prefix}menu-icon-separator {
                    width: 1px;
                }

                .#{$prefix}menu-item-separator {
                    height: 1px;
                }
            }
        }

        .#{$prefix}ie6,
        .#{$prefix}ie7,
        .#{$prefix}quirks .#{$prefix}ie8 {
            .#{$prefix}menu-item-link {
                padding-bottom: $menu-padding;
            }
        }
    }

    @if not $supports-gradients or $compile-all {
        .#{$prefix}nlg {
            .#{$prefix}menu-item-active .#{$prefix}menu-item-link {
                background: $menu-item-active-background-color repeat-x left top;
                background-image: theme-background-image($theme-name, $menu-item-active-background-image);
            }
        }
    }

    .#{$prefix}menu-date-item {
        border-color: #99BBE8;
    }
}