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