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