Element block pseudo-element :before generated with font-weight normal transition cursor crosshair font-size 16px position absolute padding 20px width 25% margin 0px border 0px rgba(0,0,0,1) solid border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none transform overflow hidden z-index auto line-height 1 background display inline-block