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