Element block pseudo-class :active generated with border-radius font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 2 transition position static overflow hidden z-index auto display block border 0px rgba(0,0,0,1) solid background cursor default padding 20px box-sizing content-box transform font-weight normal float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px height auto margin 0px