How do I float text on the surface of a < Object > element?

problem description

how do I float and display text on the surface of < Object > elements?

the environmental background of the problems and what methods you have tried

the following are video surveillance controls, which are displayed in Object. At present, some real-time data need to be displayed by text floating on the video surface.

setting the < param name= "wmode" value= "transparent" > parameter is also useless,

I have tried to set z-index:9999 and fload, but I can"t float on the video surface all the time.

<style type="text/css">
      .divPluginFload {
          width: 200px;
          height: 100px;
          z-index:9999; 
          float: right; 
          color:-sharpFF0000;  
      }
 </style>
<div class="divPluginFload">PM10:88TSP:100</div>
<div class="plugin" id="divPlugin">
    <object width="500" height="300" align="center" id="webVideoCtrl20180815110616" classid="clsid:FDF0038A-CF64-4634-81AB-80F0A7946D6C" codebase="" standby="Waiting...">
        <PARAM NAME="_Version" VALUE="65536">
        <PARAM NAME="_ExtentX" VALUE="13229">
        <PARAM NAME="_ExtentY" VALUE="7938">
        <PARAM NAME="_StockProps" VALUE="0">
        <PARAM NAME="activextype" VALUE="1">
        <PARAM NAME="wndtype" VALUE="1">
        <PARAM NAME="needborder" VALUE="1">
        <PARAM NAME="playmode" VALUE="">
        <PARAM NAME="colors" VALUE="">
        <param name="wndtype" value="2">
        <param name="playmode" value="2">
        <param name="colors" value="">
        <param name="wmode" value="transparent">
    </object>
</div>

what result do you expect? What is the error message actually seen?

expect some text to float on the video surface.

Apr.09,2021
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