.code {
    border: 1px solid #6666CC;
    background-color: #E4E4E4;
    max-height: 400px;
    width: 100%;
    overflow: auto;   
}
.linenum {
    text-align:right;
    background:#E1ECFD;
    border-right:1px solid #6666CC;
}
.linetext {
    text-align:left;
    border-left:0px;
}