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