مشكلة في صندوق الأكواد

.codemain{
background-color: transparent;
background-image:url('images/css_img_code.gif');
background-repeat: no-repeat;
color:#465584;
font: normal 12px tahoma;
margin-right:auto;
margin-left:auto;
margin-top:5px;
margin-bottom:5px;
padding-top:30px;
padding-bottom:20px;
padding-right:5px;
padding-left:5px;
border:1px solid #dbdbdb;
max-height: 50px;
min-height: 100px;
width:auto;
direction:ltr;
overflow:scroll;
}​