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