/* for theorem */
.thm {
width: 982px;
min-height:50px;
position: relative;
font: 1.5em Verdana, Arial, Helvetica, sans-serif;
margin: 0 auto;
padding: 10 auto;
/*background: #025382 url('../img/hd-bg.gif') repeat-y;*/
background:url('../img/box-bg.png') left top;
padding:14px 39px 23px 39px}
}