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