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