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