Element block pseudo-class :active generated with line-height 1 box-sizing content-box transform border 0px rgba(0,0,0,1) solid height 50% width 50% cursor default display inline-block font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius status background margin 0px position static z-index auto padding 0px transition float none overflow hidden