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