fix active tab coloring on success
fix active tab coloring on success

chenclee/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge,chenclee/utacm_icpc_autojudge,chenclee/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge,chenclee/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge,chenclee/utacm_icpc_autojudge,chenclee/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge,ilinum/utacm_icpc_autojudge