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