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