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