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