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