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