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