Element block pseudo-class :active generated with width 150px height 150px padding 0px margin 20px font-weight normal text-shadow box-shadow 0px 0px 6px rgba(0,0,0,0.5) font-size 16px display block float left overflow hidden border-radius cursor default position static outline none transition border 2px rgba(220,220,220,1) solid box-sizing content-box background line-height 1 z-index auto transform opacity 1