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