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