Element block pseudo-element :after generated with position relative overflow visible line-height 1 display block padding 4px background box-shadow 1px 1px 1px rgba(0,0,0,0.3) float left z-index auto transition height 0px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default box-sizing content-box font-size 21px font-weight normal transform margin 0px width auto border 16px rgba(0,0,0,0) solid