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