Element block pseudo-element :after generated with position static border 0px rgba(0,0,0,1) solid overflow hidden font-size 16px margin 2px box-sizing content-box float none height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform line-height 1 width 0% z-index auto background padding 10% font-weight normal cursor default display block border-radius