Show number vertically with 90 Degree rotation in ASP.Net

hi

I use lable in page that bind from database:

<asp:Label ID="Label7" runat="server" CssClass="codeSe1" Text='<%# Eval("Code") %>'></asp:Label>

CSS:

.codeSe1 {
    float: right;
    width: 5px;
    direction: rtl;
    text-align: right;
    color: #a7a6a6;
    font-size: 15px;
    margin-right: 10px;
    word-break: break-all;
    line-height: 11px;
}

it show number like:

I want it show number like:

how I can do it?

Best Regards

Neda