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