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