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