fireInternet/res/extjs/resources/themes/stylesheets/ext4/default/util/_splitter.scss

@mixin extjs-splitter {
    .#{$prefix}splitter {
        .#{$prefix}collapse-el {
            position: absolute;

            cursor: pointer;

            background-color: transparent;
            background-repeat: no-repeat !important;
        }
    }

    .#{$prefix}layout-split-left,
    .#{$prefix}layout-split-right {
        top: 50%;

        margin-top: -17px;

        width: 5px;
        height: 35px;
    }

    .#{$prefix}layout-split-top,
    .#{$prefix}layout-split-bottom {
        left: 50%;

        width: 35px;
        height: 5px;

        margin-left: -17px;
    }

    .#{$prefix}layout-split-left {
        background: no-repeat top right;
        background-image: theme-background-image($theme-name, 'util/splitter/mini-left.gif');
    }

    .#{$prefix}layout-split-right {
        background: no-repeat top left;
        background-image: theme-background-image($theme-name, 'util/splitter/mini-right.gif');
    }

    .#{$prefix}layout-split-top {
        background: no-repeat top left;
        background-image: theme-background-image($theme-name, 'util/splitter/mini-top.gif');
    }

    .#{$prefix}layout-split-bottom {
        background: no-repeat top left;
        background-image: theme-background-image($theme-name, 'util/splitter/mini-bottom.gif');
    }

    .#{$prefix}splitter-collapsed {
        .#{$prefix}layout-split-left {
            background: no-repeat top left;
            background-image: theme-background-image($theme-name, 'util/splitter/mini-right.gif');
        }

        .#{$prefix}layout-split-right {
            background: no-repeat top right;
            background-image: theme-background-image($theme-name, 'util/splitter/mini-left.gif');
        }

        .#{$prefix}layout-split-top {
            background: no-repeat top left;
            background-image: theme-background-image($theme-name, 'util/splitter/mini-bottom.gif');
        }

        .#{$prefix}layout-split-bottom {
            background: no-repeat top left;
            background-image: theme-background-image($theme-name, 'util/splitter/mini-top.gif');
        }
    }

    .#{$prefix}splitter-horizontal {
        cursor: e-resize;
        cursor: row-resize;
        font-size:1px;
    }
    
    .#{$prefix}splitter-vertical {
        cursor: e-resize;
        cursor: col-resize;
        font-size:1px;
    }
    .#{$prefix}splitter-collapsed, .#{$prefix}splitter-horizontal-noresize, .#{$prefix}splitter-vertical-noresize {
        cursor: default;
    }

    .#{$prefix}splitter-active {
        z-index: 4;
        font-size:1px;
        background-color: rgb(180, 180, 180);
        @include opacity(0.8);
    }
    .#{$prefix}splitter-active {
        .#{$prefix}collapse-el {
            @include opacity(0.3);
        }
    }

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