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