:root{
--i-c_f_broadcast:url(../img/c_f_broadcast.jpg);
--i-c_f_channel:url(../img/c_f_channel.jpg);
--i-c_f_event:url(../img/c_f_event.jpg);
--i-c_f_promo:url(../img/c_f_promo.jpg);
--i-f2_broadcast:url(../img/f2_broadcast.jpg);
--i-f2_channel:url(../img/f2_channel.jpg);
--i-f2_event:url(../img/f2_event.jpg);
--i-f2_promo:url(../img/f2_promo.jpg);
--i-f3_channel:url(../img/f3_channel.jpg);
--i-f_ad:url(../img/f_ad.jpg);
--i-f_broadcast:url(../img/f_broadcast.jpg);
--i-f_channel:url(../img/f_channel.jpg);
--i-f_promo:url(../img/f_promo.jpg);
--i-h_a:url(../img/h_a.jpg);
--i-h_c:url(../img/h_c.jpg);
--i-p_busqueen:url(../img/p_busqueen.jpg);
--i-p_gachon:url(../img/p_gachon.jpg);
--i-p_jeoeosae:url(../img/p_jeoeosae.jpg);
--i-p_jeonbuk:url(../img/p_jeonbuk.jpg);
--i-p_koica:url(../img/p_koica.jpg);
--i-p_skill:url(../img/p_skill.jpg);
}