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