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