/* Distinguish playable instrument keys from the grey score slots. */
#hollow90.mm61-active .mm61-key{background:#fff!important;border:1px solid #d8e1da!important;box-shadow:0 2px 3px #193c2510;color:#203d32}
#hollow90.mm61-active .mm61-key:active{background:#f3fff7!important}
#hollow90.mm61-active .mm61-stage>img{backface-visibility:hidden}
/* In normal view, keep the manual fullscreen control inside its game. */
#arcadePlay:not(.expand-full107)>.expand-toolbar107,#game:not(.expand-full107)>.expand-toolbar107,#lantern77:not(.expand-full107)>.expand-toolbar107{position:relative!important;top:auto!important;right:auto!important;left:auto!important;width:100%!important;height:38px;z-index:50}