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