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