.qltrungtam_bt_holder{
    position:relative;
    float:left;
    width:100%;
    background-color:white;
}
.qltrungtam_header{border-bottom:1px solid lightgray;}
.qltrungtam_header_item font{ font-size:16px;font-weight:bold;}
.qltrungtam_item_holder{
    position:relative;
    float:left;
    width:150px;
    height:180px;
    border:1px solid lightgray;
    border-radius:5px;
    margin:10px;
}
.qltrungtam_item_img img{
    position:relative;
    width:120px;
    padding:5px;
    height:120px;
}
.qltrungtam_item{
    width:100%;
    text-align:center;
}