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