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