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