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