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