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