body {
    background-image: url("../images/IG/demoImage.png");
   
}
.chkAck1{
    border:1px solid red;
    float:left;   
}
.lblAck{
    margin-bottom:5px;
}
.parentAck
{
      border:0px solid green;  
      float:left;
}
.childAck
{
      border:0px solid red;
      line-height:20px; 
      margin: 7px 0 5px 25px;
}