Element block pseudo-element :after generated with display block border 7px rgba(0,0,0,1) solid width 160px float none transform overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 margin 0px transition border-radius background cursor default font-size 16px font-weight normal z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static padding 20px height auto box-sizing content-box