Element button pseudo-class :active generated with box-sizing content-box font-weight normal position static margin 0px height auto text-shadow -1px -1px 0px rgba(48,166,164,1) z-index auto float none padding 20px font-size medium display block cursor pointer outline none transform border-radius border 1px rgba(9,150,145,1) solid background box-shadow 2px 2px 2px rgba(0,0,0,0.2) line-height normal width auto transition opacity 1 overflow visible