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