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