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