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