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