Element block pseudo-class :active generated with display block transition transform position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px border-radius font-weight normal line-height 1 cursor default overflow hidden font-size 16px background margin 0px border 0px rgba(0,0,0,1) solid height auto z-index auto float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box width 50%