0,C,1,0,L2,L2
1,T,.class { align-items: center; },0,Flex縦方向中央揃え,css_flex_align_center
2,T,.class { flex-direction: column; },0,Flex方向カラム,css_flex_direction_column
3,T,.class { flex-wrap: wrap; },0,Flex折り返し,css_flex_wrap
4,T,.class { background-image: url('image.png'); },0,背景画像,css_background_image
5,T,.class { background-size: cover; },0,背景サイズカバー,css_background_size_cover