Which device? On an iPhone 5 which is a pretty small device nowadays it looks good. Based on your other thread it sounds like you might being showing mcuh more content than a small excerpt, which, in that case, would look a bit odd. The only way to do this would be to edit the core template file and its CSS file to change the design/layout. If you decide to make these changes to the template, these two resources will be helpful:
If you are not able to make these design changes, I do offer custom development services just let me know if you are interested and I can provide a quote.