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