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