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