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