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