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