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