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