Steam network error

Im getting the mesage a network ertoe occured every time im trying to go to store.steampowered.com on my Android. (Galaxy Nexus)

Every other site works fine.

Im in the US right now (i live in europe) but that shouldnt be a problem because it worked fine the week before in other hotels.

Does anyone know what to do?
Thanks in advance!!

(If you see weird words its because the autocorrect is shit :p)