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