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