background-color: #6f8f57
div.board
+ user-select: none
float: left
height: 0
display: inline-block
div.board11
width: 9.09%
- padding-bottom: 9.1%
+ padding-bottom: 9.09%
+
+div.board12
+ width: 8.33%
+ padding-bottom: 8.33%
img.piece
width: 100%
-img.piece, img.mark-square
+img.piece, img.mark-square, img.circle-square
max-width: 100%
height: auto
display: block
img.mark-square
- opacity: 0.6
+ opacity: .7
width: 76%
position: absolute
top: 12%
left: 12%
- opacity: .7
+
+img.circle-square
+ opacity: 0.7
+ width: 100%
+ position: absolute
+ top: 0
+ left: 0
.in-shadow
filter: brightness(50%)