Element block pseudo-element :after generated with border 12px rgba(0,0,0,1) solid box-sizing content-box padding 0px float none z-index auto border-radius text-shadow width auto transform font-size 16px display block overflow visible margin 0px background font-weight normal height auto cursor default line-height 1 position static transition box-shadow 0px 4px 39px rgba(0,0,0,0.5)