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