Increase the category search box.
Increase the category search box.

Part of #24.


Former-commit-id: 43c4bfbc0c133a7ce47a1325e4d4bd8f965cc3ca
eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,guilherme-pg/citationhunt