Changed background into canvas
Merge branch 'feature/change-background' into dev
Changed font into Open Sans
Merge branch 'feature/change-font' into dev
Implemented clickable background
Implemented draggable background
Implemented drag indicator
Improved drag indicator
Fixed merge conflict
Modified the way of displaying answers
Modified the way of displaying quiz
Merge branch 'modify/display-quiz' into dev
Modified position of #answers
Merge branch 'modify/answers-position' into dev
Fixed 0x1 issue
Merge branch 'fix/0x1' into dev
Enabled cell-selection all over the screen

Disabled user-selection
Restricted cell-selection-process only in the proper range
Fixed an issue

1問目の解答以降選択機能が効かなくなる問題を修正
Transposed row and column
Merge branch 'fix/row-column' into dev