Image Border

img border

[Fedail]

i tried to many times to do it but it is still not working
how can i fix it

.gimg{max-height:300px; margin:20px; padding:10px;
  border-color:Blue;
border-style:solid;
border-width:5px;


<asp:Image ID="Image1" runat="server" CssClass="gimg"/>

the border is not appear.

[GrafixGuru]

I have checked your code and the border is appearing. Could you please explain us where exactly facing issue.