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