The custom fields defined in itemstyle.xsl file are not getting displayed while i am trying to apply that template to any web part as item style from styling section

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SharePoint2013

<xsl:template name="BulletsCustom" match="Row[@Style='BulletsCustom']" mode="itemstyle">
    <div class="custom-item">            
         <span>     
          <xsl:value-of select="@Title" />
          </span>
          <span>
          <xsl:value-of select="@Emp_First_Name" />
          </span>
          <span>
          <xsl:value-of select="@Emp_Last_Name" />
	      </span>
	      <span>
		  <xsl:value-of select="@Emp_City" />
		  </span>
		  <span>
		  <xsl:value-of select="ddwrt:FormatDate(@Emp_DOB,2057, 3)" />
		  </span>
		  <span>
		  <xsl:value-of select="ddwrt:FormatDate(@DOJ,2057, 3)"/>		
		  </span>
  </div>
  </xsl:template>

this template I have designed ,but these fields are not getting display while I try to use this template
what is the issue exactly that am not able to understand because am very new to share point,so can any one help me??

Thanks in Advance

What I have tried:

I tried various syntax for variable declaration like $ preceded but that also not working