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