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