File: web/bundles/extjs/resources/theme-bootstrap/theme/stylesheets/bootstrap/default/util/_dragdrop.scss

@mixin extjs-dragdrop {
    // Must always be on top
    .#{$prefix}dd-drag-proxy {
        z-index: 1000000!important;
    }
    
    .#{$prefix}dd-drag-repair {
        .#{$prefix}dd-drag-ghost {
            @include opacity(.6);
        }

        .#{$prefix}dd-drop-icon {
            display: none;
        }
    }

    .#{$prefix}dd-drag-ghost {
        @include opacity(.85);
        
        padding: 5px;
        padding-left: 20px;
        
        white-space: nowrap;
        
        color: #000;
        font: normal ceil($font-size * .9) $font-family;
        
        border: 1px solid;
        border-color: #ddd #bbb #bbb #ddd;
        
        background-color: #fff;
    }

    .#{$prefix}dd-drop-icon {
        position: absolute;
        top: 3px;
        left: 3px;
        
        display: block;
        
        width: 16px;
        height: 16px;
        
        background-color: transparent;
        background-position:  center;
        background-repeat:  no-repeat;
        
        z-index: 1;
    }

    .#{$prefix}view-selector {
        position: absolute;
        left: 0;
        top: 0;
        
        width: 0;
        
        background-color: #c3daf9;
        border: 1px dotted #3399bb;
            
        @include opacity(.5);
        
        zoom: 1;
    }
    
    .#{$prefix}dd-drop-nodrop .#{$prefix}dd-drop-icon {
        background-image: theme-background-image($theme-name, 'dd/drop-no.gif');
    }

    .#{$prefix}dd-drop-ok .#{$prefix}dd-drop-icon {
        background-image: theme-background-image($theme-name, 'dd/drop-yes.gif');
    }

    .#{$prefix}dd-drop-ok-add .#{$prefix}dd-drop-icon {
        background-image: theme-background-image($theme-name, 'dd/drop-add.gif');
    }
}