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