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