[result_page glitch] fix the glitch by putting an approx height from sta...

##### result_page: Fixes

:heavy_check_mark: Fix visual glitch that put all books hover the search bar
:heavy_check_mark: fix floating books bug


##### Before
![capture d ecran 2014-09-30 a 16 34 18](https://cloud.githubusercontent.com/assets/2462303/4459939/232b0736-48af-11e4-935f-d7446ce02379.png)

##### After
![capture d ecran 2014-09-30 a 16 34 40](https://cloud.githubusercontent.com/assets/2462303/4459943/2b5efca0-48af-11e4-89a7-acef01f7c11b.png)