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