.levelbg_bt{
background:url(~/BhartiQA/images/levelbt_bg.jpg) no-repeat;
background-position:center;
width:120px;
height:27px;
}

.levelroll_bt{
background:url(~/BhartiQA/images/levelbt_roll.jpg) no-repeat;
background-position:center;
width:120px;
height:27px;
}