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