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