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