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