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