How to work with fieldset and legend html tags?

 This is the sample for working with <fieldset> and <legend> html tags.

<fieldset style="text-align: left; width: 49%;"align="left">      <legend style="text-align: left; font-weight: 700;">
<img style="width: 50px; border-width: 0px;" src="../Images/interview_icon.jpg" id="ctl00_CPH_Image2">
&nbsp;
<span style="display: inline-block; color: White; background-color: Blue; border-color: White; border-style: double; font-size: 10pt;" class="Label_name" id="ctl00_CPH_Label334">Action</span>
&nbsp;&nbsp;&nbsp; 
</legend>
<table align="center">
<tbody>
<tr>
<td style="text-align: right;" class="style2">&nbsp;</td>
<td style="text-align: left;" class="style4">&nbsp;</td>
<td style="text-align: left;">&nbsp;</td>
</tr>
<tr> 
<td style="text-align: right;" class="style2">
<span class="Label_name" id="ctl00_CPH_Label332">Hiring Process  :</span>
</td>
<td style="text-align: left;" class="style4">
<select style="width: 250px;" id="ctl00_CPH_DDL_Hiring" onchange="javascript:setTimeout('__doPostBack(\'ctl00$CPH$DDL_Hiring\',\'\')', 0)" name="ctl00$CPH$DDL_Hiring">
            <option value="0">Select</option>
            <option value="1">Hiring Key</option>
            <option value="2">Line Partner Key</option>
            <option value="3">Line Payroll Key</option>
        </select>
</td>
<td style="text-align: left;">
<input type="submit" style="color: Blue;" class="Button_Normal" id="ctl00_CPH_btnProcess" value="Process" name="ctl00$CPH$btnProcess">
</td>
</tr>
</tbody></table>
</fieldset>