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