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