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