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