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