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