Add the download package's link in the global menu
Modify a link target
Modify leofs's concept image
Add leofs's concept original image file
Rename a file
Modify the tile and metadatas
Adjust line-height
Modify the footer
Brush up the contents
Modify the explanation
Brush up the concept image
Brush up the concept image, again
Modify the explanation's text color from black to white
Adjust the position of the concept image
Brush up the concept image#5
Centered the concept image and the slide
Brush up the contents#6
Brush up the contents#7
Modify the slide-related explanation
Modify the contents