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