[update] Update style when width is less than 1366
[update] Update style when width is less than 1366

update style when width is less than 1366px
  extend width of #content & #main

AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary