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