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