Element block pseudo-class :active generated with cursor default box-sizing content-box padding 20px display block position static z-index auto font-size 16px background font-weight normal overflow hidden border-radius transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none border 0px rgba(0,0,0,1) solid margin 0px transform width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto line-height 1