Search button landingpage in Opera

Although Opera ins't supported OAE does work in this browser (for so far I used) but when arriving on the landingpage the searchbutton doens't appear the same as in the other browsers:

![windows opera go button issue](https://f.cloud.github.com/assets/2550754/540795/6bb23302-c1f7-11e2-801f-7bf8cb7d3061.png)