.overview { min-height: 1px; min-width: 1px; .workspace .window { border-radius: 10px; margin: 0 10px; } .normal { margin-bottom: 5px; .workspace { .window { border: 2px solid #411C6C; &.active { border: 2px solid purple; } } } } .special { .workspace { .window { border: 2px solid lighten($color: black, $amount: 20); &.active { border: 2px solid purple; } } } } }