#vbStage{ position:relative; display:inline-block; max-width:100%; line-height:0; touch-action:none; -webkit-user-select:none; user-select:none; }
        #vbCanvas{ max-width:100%; display:block; border-radius:10px; border:1px solid #e5e9f0; background:#f1f5f9; }
        #vbBoxes{ position:absolute; left:0; top:0; right:0; bottom:0; pointer-events:none; }
        .vbbox{ position:absolute; border:2px solid #1e5a9e; box-sizing:border-box; cursor:move; pointer-events:auto; }
        .vbbox .vbh{ position:absolute; width:14px; height:14px; background:#fff; border:2px solid #1e5a9e; border-radius:50%; box-sizing:border-box; }
        .vbbox .vbh[data-h="nw"]{ left:-8px; top:-8px; cursor:nwse-resize; }
        .vbbox .vbh[data-h="ne"]{ right:-8px; top:-8px; cursor:nesw-resize; }
        .vbbox .vbh[data-h="sw"]{ left:-8px; bottom:-8px; cursor:nesw-resize; }
        .vbbox .vbh[data-h="se"]{ right:-8px; bottom:-8px; cursor:nwse-resize; }
        .vbbox .vbdel{ position:absolute; right:-11px; top:-11px; width:20px; height:20px; line-height:16px; text-align:center; background:#e11d48; color:#fff; border-radius:50%; font-size:15px; font-weight:700; cursor:pointer; border:2px solid #fff; box-sizing:border-box; }